diff --git a/estate/__init__.py b/estate/__init__.py
new file mode 100644
index 00000000000..d6210b1285d
--- /dev/null
+++ b/estate/__init__.py
@@ -0,0 +1,3 @@
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from . import models
diff --git a/estate/__manifest__.py b/estate/__manifest__.py
new file mode 100644
index 00000000000..90aaf27f813
--- /dev/null
+++ b/estate/__manifest__.py
@@ -0,0 +1,20 @@
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+{
+    "name": "estate",
+    "application": True,
+    "depends": [
+        "base",
+    ],
+    "data": [
+        "security/ir.model.access.csv",
+        "views/estate_property_views.xml",
+        "views/estate_offer_views.xml",
+        "views/estate_type_views.xml",
+        "views/estate_tag_views.xml",
+        "views/estate_menus.xml",
+        "views/res_user.xml",
+    ],
+    "author": "Odoo S.A.",
+    "license": "LGPL-3",
+}
diff --git a/estate/models/__init__.py b/estate/models/__init__.py
new file mode 100644
index 00000000000..12614b21242
--- /dev/null
+++ b/estate/models/__init__.py
@@ -0,0 +1,5 @@
+from . import estate_property
+from . import estate_type
+from . import estate_tag
+from . import estate_offer
+from . import res_user
diff --git a/estate/models/estate_offer.py b/estate/models/estate_offer.py
new file mode 100644
index 00000000000..cb1cc35fd10
--- /dev/null
+++ b/estate/models/estate_offer.py
@@ -0,0 +1,101 @@
+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.date_utils import add
+from odoo.tools.float_utils import float_compare
+
+
+class EstateOffer(models.Model):
+    _name = "estate.offer"
+    _description = "An estate offer"
+    _order = "price desc"
+
+    price = fields.Float()
+    status = fields.Selection(
+        [("accepted", "Accepted"), ("refused", "Refused")], copy=False
+    )
+    validity = fields.Integer(default=7)
+
+    # Foreign fields
+    partner_id = fields.Many2one("res.partner", required=True)
+    property_id = fields.Many2one("estate.property", required=True)
+
+    # Computed fields
+    date_deadline = fields.Date(
+        compute="_compute_date_deadline", inverse="_inverse_date_deadline"
+    )
+
+    # Related fields
+    property_type_id = fields.Many2one(
+        related="property_id.property_type_id", store=True
+    )
+
+    # Constraints
+    _check_price = models.Constraint(
+        "CHECK(price > 0)",
+        "Offer price must be stricly positive",
+    )
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            record.date_deadline = add(
+                record.create_date if record.create_date else fields.Date.today(),
+                days=+record.validity,
+            )
+
+    @api.onchange("date_deadline")
+    def _inverse_date_deadline(self):
+        for record in self:
+            record.validity = (record.date_deadline - fields.Date.today()).days
+
+    # Actions
+
+    def action_status_accepted(self):
+        self.ensure_one()
+
+        if self.status in ("accepted", "refused"):
+            raise UserError("The state of an offer cannot be changed once it is set")
+
+        if float_compare(self.price, self.property_id.expected_price * 0.9, 2) == -1:
+            raise ValidationError("Offer has to be at least 90% of the expected price")
+
+        if any(
+            self.property_id.offer_ids.filtered(
+                lambda offer: offer.status == "accepted"
+            )
+        ):
+            raise UserError("Only one offer can be accepted")
+
+        self.property_id.state = "accepted"
+        self.status = "accepted"
+
+        for offer in self.property_id.offer_ids:
+            if offer.id == self.id:
+                continue
+
+            offer.status = "refused"
+
+        return True
+
+    def action_status_refused(self):
+        self.ensure_one()
+
+        if self.status in ["accepted", "refused"]:
+            raise UserError("The state of an offer cannot be changed once it is set")
+
+        self.status = "refused"
+        return True
+
+    # Overwrites
+
+    @api.model
+    def create(self, vals_list):
+        for vals in vals_list:
+            property = self.env["estate.property"].browse(vals["property_id"])
+            if property.state == "sold":
+                raise UserError("No offer can be made for a sold property")
+
+            if property.state == "new":
+                property.state = "received"
+
+        return super().create(vals_list)
diff --git a/estate/models/estate_property.py b/estate/models/estate_property.py
new file mode 100644
index 00000000000..1c3ca052c36
--- /dev/null
+++ b/estate/models/estate_property.py
@@ -0,0 +1,155 @@
+from odoo import fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.orm.models import api
+from odoo.tools.date_utils import add
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "An estate property"
+    _order = "id desc"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False, default=lambda _: add(fields.Date.today(), months=+3)
+    )
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(
+        copy=False, readonly=True, compute="_compute_selling_price"
+    )
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer()
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        [("north", "North"), ("south", "South"), ("east", "East"), ("west", "West")]
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        [
+            ("new", "New"),
+            ("received", "Offer Received"),
+            ("accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        required=True,
+        copy=False,
+        default="new",
+    )
+
+    # Foreign fields
+    property_type_id = fields.Many2one(
+        "estate.type", required=True, ondelete="restrict"
+    )
+    buyer_id = fields.Many2one(
+        "res.partner",
+        required=False,
+        copy=False,
+        ondelete="restrict",
+        compute="_compute_buyer_id",
+    )
+    seller_id = fields.Many2one(
+        "res.users",
+        required=True,
+        default=lambda self: self.env.user,
+        ondelete="restrict",
+    )
+    tag_ids = fields.Many2many("estate.tag")
+    offer_ids = fields.One2many("estate.offer", "property_id")
+
+    # Computed fields
+    total_area = fields.Integer(compute="_compute_total_area")
+    best_price = fields.Integer(compute="_compute_best_price")
+
+    # Constraints
+    _check_expected_price = models.Constraint(
+        "CHECK(expected_price > 0)",
+        "Expected price must be stricly positive",
+    )
+
+    # Computations
+    @api.depends("offer_ids.status")
+    def _compute_selling_price(self):
+        for record in self:
+            record.selling_price = 0
+            for offer in record.offer_ids:
+                if offer.status == "accepted":
+                    record.selling_price = offer.price
+                    break
+
+    @api.depends("offer_ids.status")
+    def _compute_buyer_id(self):
+        for record in self:
+            record.buyer_id = None
+            for offer in record.offer_ids:
+                if offer.status == "accepted":
+                    record.buyer_id = offer.partner_id
+                    break
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    @api.depends("offer_ids.price")
+    def _compute_best_price(self):
+        for record in self:
+            # Fallback to 0 if no records are present
+            record.best_price = max(record.offer_ids.mapped("price") or [0])
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        self.ensure_one()
+
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = False
+
+    # Actions
+
+    def action_state_cancel(self):
+        for record in self:
+            if record.state == "sold":
+                raise UserError("A sold property cannot be cancelled")
+            if record.state == "cancelled":
+                raise UserError("A cancelled property cannot be cancelled again")
+
+            record.state = "cancelled"
+        return True
+
+    def action_state_sold(self):
+        for record in self:
+            accepted_offer = False
+            for offer in record.offer_ids:
+                if offer.status == "accepted":
+                    accepted_offer = True
+                    break
+
+            if not accepted_offer:
+                raise UserError("A property cannot be sold if no offer is accepted")
+
+            if record.state == "cancelled":
+                raise UserError("A cancelled property cannot be sold")
+            if record.state == "sold":
+                raise UserError("A sold property cannot be sold again")
+
+            record.state = "sold"
+        return True
+
+    # Overwrites
+
+    @api.ondelete(at_uninstall=False)
+    def onDelete(self):
+        for record in self:
+            if record.state not in ["new", "cancelled"]:
+                raise ValidationError(
+                    "Only properties in the state new or cancelled can be deleted"
+                )
diff --git a/estate/models/estate_tag.py b/estate/models/estate_tag.py
new file mode 100644
index 00000000000..776dcfadf38
--- /dev/null
+++ b/estate/models/estate_tag.py
@@ -0,0 +1,16 @@
+from odoo import fields, models
+
+
+class EstateTag(models.Model):
+    _name = "estate.tag"
+    _description = "An estate tag"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    # Constraints
+    _check_name = models.Constraint(
+        "UNIQUE(name)",
+        "A tag name must be unique",
+    )
diff --git a/estate/models/estate_type.py b/estate/models/estate_type.py
new file mode 100644
index 00000000000..79e8355e01e
--- /dev/null
+++ b/estate/models/estate_type.py
@@ -0,0 +1,28 @@
+from odoo import api, fields, models
+
+
+class EstateType(models.Model):
+    _name = "estate.type"
+    _description = "An estate type"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer(required=True, default=1)
+
+    # Foreign fields
+    property_ids = fields.One2many("estate.property", "property_type_id")
+    offer_ids = fields.One2many("estate.offer", "property_type_id")
+
+    # Computed fields
+    offer_count = fields.Integer(compute="_compute_offer_count")
+
+    # Constraints
+    _check_name = models.Constraint(
+        "UNIQUE(name)",
+        "A type must be unique",
+    )
+
+    @api.depends("offer_ids")
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)
diff --git a/estate/models/res_user.py b/estate/models/res_user.py
new file mode 100644
index 00000000000..21ec8d9b4b0
--- /dev/null
+++ b/estate/models/res_user.py
@@ -0,0 +1,24 @@
+from odoo import fields, models
+
+
+class User(models.Model):
+    _inherit = "res.users"
+
+    # Foreign fields
+
+    property_ids = fields.One2many(
+        "estate.property",
+        "seller_id",
+    )
+
+    # Computed fields
+
+    available_property_ids = fields.One2many(
+        "estate.property", compute="_compute_filtered_properties"
+    )
+
+    def _compute_filtered_properties(self):
+        for record in self:
+            record.available_property_ids = record.property_ids.filtered(
+                lambda x: x.state not in ("sold", "cancelled")
+            )
diff --git a/estate/security/ir.model.access.csv b/estate/security/ir.model.access.csv
new file mode 100644
index 00000000000..7aa3583474b
--- /dev/null
+++ b/estate/security/ir.model.access.csv
@@ -0,0 +1,5 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+estate.access_estate_property,access_estate_property,estate.model_estate_property,base.group_user,1,1,1,1
+estate.access_estate_type,access_estate_type,estate.model_estate_type,base.group_user,1,1,1,1
+estate.access_estate_tag,access_estate_tag,estate.model_estate_tag,base.group_user,1,1,1,1
+estate.access_estate_offer,access_estate_offer,estate.model_estate_offer,base.group_user,1,1,1,1
diff --git a/estate/tests/__init__.py b/estate/tests/__init__.py
new file mode 100644
index 00000000000..a46b0574b87
--- /dev/null
+++ b/estate/tests/__init__.py
@@ -0,0 +1,2 @@
+from . import test_estate_offer
+from . import test_estate_property
diff --git a/estate/tests/common.py b/estate/tests/common.py
new file mode 100644
index 00000000000..0f6a21c4abb
--- /dev/null
+++ b/estate/tests/common.py
@@ -0,0 +1,17 @@
+from odoo.tests import TransactionCase
+
+
+class TestEstateCommon(TransactionCase):
+    def setUp(self):
+        super().setUp()
+
+        self.property = self.env["estate.property"].create(
+            {
+                "name": "House 1",
+                "expected_price": 1000,
+                "property_type_id": self.env["estate.type"]
+                .create({"name": "House"})
+                .id,
+                "seller_id": self.env.user.id,
+            }
+        )
diff --git a/estate/tests/test_estate_offer.py b/estate/tests/test_estate_offer.py
new file mode 100644
index 00000000000..700aa2ea2c9
--- /dev/null
+++ b/estate/tests/test_estate_offer.py
@@ -0,0 +1,15 @@
+from odoo.addons.estate.tests.common import TestEstateCommon
+from odoo.exceptions import UserError
+
+
+class TestEstateOffer(TestEstateCommon):
+    def test_create_offer_sold(self):
+        self.property.state = "sold"
+
+        with self.assertRaises(UserError):
+            self.env["estate.offer"].create(
+                {
+                    "partner_id": self.env.user.id,
+                    "property_id": self.property.id,
+                }
+            )
diff --git a/estate/tests/test_estate_property.py b/estate/tests/test_estate_property.py
new file mode 100644
index 00000000000..252bd3fcfcb
--- /dev/null
+++ b/estate/tests/test_estate_property.py
@@ -0,0 +1,35 @@
+from odoo.addons.estate.tests.test_estate_offer import TestEstateOffer
+from odoo.exceptions import UserError
+from odoo.tests import Form, HttpCase, tagged
+
+
+class TestEstateProperty(TestEstateOffer):
+    def test_sell_accepted_offers(self):
+        self.env["estate.offer"].create(
+            {
+                "partner_id": self.env.user.id,
+                "property_id": self.property.id,
+                "status": "accepted",
+            }
+        )
+
+        self.property.action_state_sold()
+        self.assertEqual(self.property.state, "sold")
+
+    def test_sell_no_accepted_offers(self):
+        with self.assertRaises(UserError):
+            self.property.action_state_sold()
+
+
+@tagged("post_install", "-at_install")
+class TestEstatePropertyHttp(HttpCase):
+    def test_garden_reset(self):
+        form = Form(self.env["estate.property"])
+
+        form.garden = True
+        self.assertEqual(form.garden_area, 10)
+        self.assertEqual(form.garden_orientation, "north")
+
+        form.garden = False
+        self.assertEqual(form.garden_area, 0)
+        self.assertEqual(form.garden_orientation, False)
diff --git a/estate/views/estate_menus.xml b/estate/views/estate_menus.xml
new file mode 100644
index 00000000000..9077b715738
--- /dev/null
+++ b/estate/views/estate_menus.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_menu_advertisements" name="Advertisements">
+            <menuitem id="estate_menu_advertisement_advertisements" action="estate_property_action_view"/>
+        </menuitem>
+        <menuitem id="estate_menu_settings" name="Settings">
+            <menuitem id="estate_menu_settings_types" action="estate_type_action_view"/>
+            <menuitem id="estate_menu_settings_tags" action="estate_tag_action_view"/>
+        </menuitem>
+    </menuitem>
+</odoo>
diff --git a/estate/views/estate_offer_views.xml b/estate/views/estate_offer_views.xml
new file mode 100644
index 00000000000..03a78bbbff1
--- /dev/null
+++ b/estate/views/estate_offer_views.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_offer_action_view" model="ir.actions.act_window">
+        <field name="name">Offers</field>
+        <field name="res_model">estate.offer</field>
+        <field name="view_mode">list</field>
+        <field name="domain">[('property_type_id', '=', active_id)]</field>
+    </record>
+
+    <record id="estate_offer_view_list" model="ir.ui.view">
+        <field name="name">estate.offer.view.list</field>
+        <field name="model">estate.offer</field>
+        <field name="arch" type="xml">
+            <list editable="top" decoration-success="status == 'accepted'" decoration-danger="status == 'refused'">
+                <field name="price" />
+                <field name="partner_id" />
+                <field name="validity" />
+                <field name="date_deadline" />
+                <button type="object" string="Accept" name="action_status_accepted" icon="fa-check" invisible="status" />
+                <button type="object" string="Refuse" name="action_status_refused" icon="fa-close" invisible="status" />
+                <field name="status" />
+            </list>
+        </field>
+    </record>
+</odoo>
diff --git a/estate/views/estate_property_views.xml b/estate/views/estate_property_views.xml
new file mode 100644
index 00000000000..3b53f890df2
--- /dev/null
+++ b/estate/views/estate_property_views.xml
@@ -0,0 +1,129 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_action_view" model="ir.actions.act_window">
+        <field name="name">Properties</field>
+        <field name="res_model">estate.property</field>
+        <field name="view_mode">list,form,kanban</field>
+        <field name="context">{'search_default_available': True}</field>
+    </record>
+
+    <record id="estate_property_view_search" model="ir.ui.view"> 
+        <field name="name">estate.property.view.search</field> 
+        <field name="model">estate.property</field> 
+        <field name="arch" type="xml">
+        <search>
+            <field name="name" string="Estate" />
+            <field name="selling_price" />
+            <field name="living_area" string="Living Area (sqm)" filter_domain="[('living_area', '%gt;=', self)]" />
+            <separator />
+            <filter string="Available" name="available" domain="[('state', 'not in', ('sold', 'cancelled'))]"/> 
+            <group> 
+                <filter string="Postcode" name="postcode" context="{'group_by':'postcode', 'residual_visible':True}"/> 
+            </group> 
+        </search> 
+        </field> 
+    </record> 
+
+    <record id="estate_property_view_list" model="ir.ui.view">
+        <field name="name">estate.property.view.list</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <list decoration-muted="state == 'sold'" decoration-success="state == 'received'" decoration-bf="state == 'accepted'">
+                <field name="name" />
+                <field name="postcode" />
+                <field name="bedrooms" />
+                <field name="living_area" />
+                <field name="expected_price" />
+                <field name="selling_price" />
+                <field name="date_availability" optional="True" />
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_view_form" model="ir.ui.view">
+        <field name="name">estate.property.view.form</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <form>
+                <header>
+                    <group invisible="state == 'sold' or state == 'cancelled'">
+                    <button type="object" name="action_state_sold" string="Sold" />
+                    <button type="object" name="action_state_cancel" string="Cancel" />
+                    </group>
+                    <field name="state" string="" widget="statusbar" statusbar_visible="new,received,accepted,sold" />
+                </header>
+                <sheet>
+                    <div>
+                        <group class="mb-5">
+                            <field name="name" string="" required="True" placeholder="My new house" class="fs-1" />
+                            <field name="tag_ids" string="" widget="many2many_tags" options="{'color_field': 'color'}" />
+                        </group>
+                        <group>
+                            <group>
+                                <field name="property_type_id" options="{'no_quick_create': True, 'no_create_edit': True}" />
+                                <field name="postcode" />
+                                <field name="date_availability" string="Available From" />
+                            </group>
+                            <group>
+                                <field name="expected_price" required="True" />
+                                <field name="best_price" />
+                                <field name="selling_price" />
+                            </group>
+                        </group>
+                        <notebook>
+                            <page string="Description">
+                                <group>
+                                    <field name="description" />
+                                    <field name="bedrooms" />
+                                    <field name="living_area" string="Living Area (sqm)" />
+                                    <field name="facades" />
+                                    <field name="garage" />
+                                    <field name="garden" />
+                                    <field name="garden_area" string="Garden Area (sqm)" invisible="not garden" />
+                                    <field name="garden_orientation" invisible="not garden" />
+                                    <field name="total_area" string="Total Area (sqm)" />
+                                </group>
+                            </page>
+                            <page string="Offers">
+                                <field name="offer_ids" readonly="state in ('sold', 'cancelled')" />
+                            </page>
+                            <page string="Other Info">
+                                <group>
+                                    <field name="seller_id" string="Salesman" />
+                                    <field name="buyer_id" />
+                                </group>
+                            </page>
+                        </notebook>
+                    </div>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_view_kanban" model="ir.ui.view">
+        <field name="name">estate.property.view.kanban</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <kanban default_group_by="property_type_id" records_draggable="False">
+                <templates>
+                    <t t-name="card" class="gap-1">
+                        <field name="name" class="fw-bolder text-dark" />
+                        <div>
+                            <span>Expected Price: </span>
+                            <field name="expected_price" />
+                        </div>
+                        <div t-if="record.best_price.raw_value">
+                            <span>Best Price: </span>
+                            <field name="best_price"/>
+                        </div>
+                        <div t-if="record.selling_price.raw_value">
+                            <span>Selling Price: </span>
+                            <field name="selling_price"/>
+                        </div>
+                        <field name="tag_ids" string="" widget="many2many_tags" options="{'color_field': 'color'}" />
+                    </t>
+                </templates>
+            </kanban>
+        </field>
+    </record>
+</odoo>
diff --git a/estate/views/estate_tag_views.xml b/estate/views/estate_tag_views.xml
new file mode 100644
index 00000000000..6a056e4b336
--- /dev/null
+++ b/estate/views/estate_tag_views.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_tag_action_view" model="ir.actions.act_window">
+        <field name="name">Tags</field>
+        <field name="res_model">estate.tag</field>
+        <field name="view_mode">list</field>
+    </record>
+
+    <record id="estate_tag_view_list" model="ir.ui.view">
+        <field name="name">estate.tag.view.list</field>
+        <field name="model">estate.tag</field>
+        <field name="arch" type="xml">
+            <list editable="top">
+                <field name="name" />
+                <field name="color" widget="color_picker" />
+            </list>
+        </field>
+    </record>
+</odoo>
diff --git a/estate/views/estate_type_views.xml b/estate/views/estate_type_views.xml
new file mode 100644
index 00000000000..db0fa859ae2
--- /dev/null
+++ b/estate/views/estate_type_views.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_type_action_view" model="ir.actions.act_window">
+        <field name="name">Types</field>
+        <field name="res_model">estate.type</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <record id="estate_type_view_list" model="ir.ui.view">
+        <field name="name">estate.type.view.list</field>
+        <field name="model">estate.type</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="sequence" widget="handle" />
+                <field name="name" />
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_type_view_form" model="ir.ui.view">
+        <field name="name">estate.type.view.form</field>
+        <field name="model">estate.type</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <div class="oe_button_box" name="button_box">
+                        <button class="oe_stat_button" type="action" name="%(estate_offer_action_view)d" icon="fa-money">
+                            <div class="o_form_field o_stat_info">
+                                <span class="o_stat_text">Offers</span>
+                                <span class="o_stat_value">
+                                    <field name="offer_count" widget='monetary'/>
+                                </span>
+                            </div>
+                        </button>
+                    </div>
+
+                    <field name="name" string="" required="True" placeholder="House" class="mb-5 fs-1" />
+                    <notebook>
+                        <page string="Properties">
+                            <field name="property_ids">
+                                <list>
+                                    <field name="name" />
+                                    <field name="expected_price" />
+                                    <field name="state" />
+                                </list>
+                            </field>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>
diff --git a/estate/views/res_user.xml b/estate/views/res_user.xml
new file mode 100644
index 00000000000..485530c2e58
--- /dev/null
+++ b/estate/views/res_user.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+    <record id="res_users_view_form" model="ir.ui.view">
+        <field name="name">res.users.view.form.inherit.estate.property</field>
+        <field name="model">res.users</field>
+        <field name="inherit_id" ref="base.view_users_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//page[@name='page_security']" position="after">
+                <page string="Properties">
+                    <field name="available_property_ids" />
+                </page>
+            </xpath>
+        </field>
+    </record>
+    </data>
+</odoo>
diff --git a/estate_account/__init__.py b/estate_account/__init__.py
new file mode 100644
index 00000000000..0650744f6bc
--- /dev/null
+++ b/estate_account/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/estate_account/__manifest__.py b/estate_account/__manifest__.py
new file mode 100644
index 00000000000..34a0e650c51
--- /dev/null
+++ b/estate_account/__manifest__.py
@@ -0,0 +1,12 @@
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+{
+    "name": "estate_account",
+    "depends": [
+        "base",
+        "account",
+        "estate",
+    ],
+    "author": "Odoo S.A.",
+    "license": "LGPL-3",
+}
diff --git a/estate_account/models/__init__.py b/estate_account/models/__init__.py
new file mode 100644
index 00000000000..5e1963c9d2f
--- /dev/null
+++ b/estate_account/models/__init__.py
@@ -0,0 +1 @@
+from . import estate_property
diff --git a/estate_account/models/estate_property.py b/estate_account/models/estate_property.py
new file mode 100644
index 00000000000..995c2c1fbf9
--- /dev/null
+++ b/estate_account/models/estate_property.py
@@ -0,0 +1,38 @@
+from odoo import Command, models
+
+
+class EstateProperty(models.Model):
+    _inherit = "estate.property"
+
+    def action_state_sold(self):
+        result = super().action_state_sold()
+        invoices = []
+
+        for record in self:
+            invoices.append(
+                {
+                    "partner_id": record.buyer_id.id,
+                    "move_type": "out_invoice",
+                    "invoice_line_ids": [
+                        Command.create(
+                            {
+                                "name": "Down Payment",
+                                "quantity": 1,
+                                "price_unit": record.selling_price * 0.06,
+                            }
+                        ),
+                        Command.create(
+                            {
+                                "name": "Administrative Fees",
+                                "quantity": 1,
+                                "price_unit": 100.00,
+                            }
+                        ),
+                    ],
+                }
+            )
+
+        invoice = self.env["account.move"].create(invoices)
+        invoice.action_post()
+
+        return result
diff --git a/git-challenge.txt b/git-challenge.txt
new file mode 100644
index 00000000000..799c7e11c12
--- /dev/null
+++ b/git-challenge.txt
@@ -0,0 +1,29 @@
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣴⣶⡾⠿⠛⠻⠶⣦⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡞⠉⢠⡿⠁⠀⠀⣰⡾⠓⠂⠉⢻⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡟⠀⣰⡿⠀⠀⠀⣼⠏⠀⠀⠀⢀⣠⣿⣿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣾⣧⣶⣿⣇⠀⢀⣼⡏⠀⠀⠀⣰⣿⣿⢻⣿⣿⣿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣶⣶⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣿⣿⣶⣾⣿⠁⠀⠀⠀⣠⣾⠏⢸⣿⣿⣿⣿⣿⣶⣶⣶⣶⣶⣶⠶⠚⠛⠛⠛⠻⠾⠿⢿⣇⡀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⣿⣿⣿⣿⣿⣿⡿⢷⣤⣤⣾⡿⠋⠀⣸⣿⣿⣿⣿⣿⣿⣿⣿⣿⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠳⢦⡀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⢿⣿⣿⣿⣿⣿⣿⡀⠉⠉⠉⠀⢀⣴⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢷⣄⣀⣀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⣿⣿⣿⣿⣿⣿⣷⣶⣶⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⣰⣶⣦⣄⠀⠀⠀⠀⠀⠀⠀⠀⠙⣿⣿⠇
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠛⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⣫⣿⣿⣿⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⢻⣿⣟⢹⣆⠀⠀⠀⠀⠀⠀⠀⠀⠘⣧⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣽⣿⣿⣿⣿⠿⠟⣋⣥⣾⣿⣿⣿⣿⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠙⠿⠮⢭⣆⠀⠀⠀⠀⠀⠀⠀⠀⢹⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⠟⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⡇⠀⢀⣄⠀⠀⠀⠀⣠⣄⡀⠀⠀⠀⠘⡇
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⡟⠁⠀⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⠀⠀⠀⠀⠀⣧⠀⠸⣿⣇⠀⠀⠀⢱⡛⠉⣿⣦⠀⢠⡇
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣿⠋⠀⠀⠀⠘⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⠀⠀⠀⠀⠸⣷⡀⠻⣿⣷⣦⠄⠸⣿⣿⣿⡿⢀⡾⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣼⠟⠁⠀⠀⠀⠀⠀⠈⠻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⡀⠀⠀⠀⠈⠛⠷⠦⠭⠥⠀⠀⠈⠉⢁⣰⠟⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⡾⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠙⠿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣦⣄⡀⠀⠀⠀⠀⠀⠀⠀⣀⣤⠶⠋⠁⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠙⠛⠿⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣶⣶⣶⠶⠶⠛⠉⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⢠⣾⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠛⠿⣿⣿⠿⣿⣿⣿⣿⡿⣫⣾⣷⣶⣶⡖⠛⠓⡆⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⢠⣋⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⢷⣯⡍⠉⣰⣿⡿⠿⣿⠟⢳⡾⠁⢳⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⢠⡾⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢿⣼⣿⣿⠀⠀⣹⠀⠀⢷⡀⣸⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⡰⢻⣴⢿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⣿⣿⣤⣴⣿⣤⣤⣾⠿⠋⠀⠀⠀⠀⠀⠀
+⠀⠀⢠⠞⠁⢸⣇⣾⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⡿⠿⠿⠟⠛⠋⠉⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⣴⡏⠀⠀⠀⢿⠃⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣀⣀⣀⣀⣀⣀⣤⡾⠃⠀⠀⠀⠀⠀⣀⣤⣤⣤⣀⡀⠀⠀⠀⠀⠀⠀⠀
+⣸⣿⣧⠀⠀⠀⠘⢷⡏⣿⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣤⣶⣿⣿⡉⠥⠿⠛⠒⠚⣻⣄⣀⣀⠀⣠⣤⣾⣏⢉⡏⠀⠈⣿⣦⡀⠀⠀⠀⠀⠀
+⣿⣿⣿⣆⠀⠀⠀⠈⠻⢿⡍⢻⡦⣤⣀⣀⠀⠀⠀⠀⣀⣀⣠⣤⣤⠶⣾⣯⣡⠔⠋⠉⠀⢀⣠⣴⣶⣿⠟⠉⠀⣨⡿⢋⣽⣿⡿⠟⠛⠛⠶⣾⠁⠀⢱⠀⠀⠀⠀⠀
+⢻⣿⣿⣿⣦⠀⠀⠀⠀⠀⠉⠚⠷⢤⣿⣿⣉⣹⣿⣏⠙⣿⣅⣽⡷⠴⠛⠉⠀⠀⠀⢠⣾⣿⣿⣿⣿⠏⠀⠀⣼⡟⠀⣾⣿⠋⠀⠀⠀⠀⠀⠈⢳⡖⢻⠀⠀⠀⠀⠀
+⠈⢻⣿⣿⣿⣷⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠉⠉⠉⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣿⣿⣿⣿⠀⠀⢠⣿⡇⠀⣿⡇⠀⠀⠀⠀⠀⠀⠀⢸⣷⡞⠀⠀⠀⠀⠀
+⠀⠀⢹⣿⣿⣿⣿⣶⣄⡀⢀⡴⣶⣶⣶⣶⣤⣤⣤⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣿⣿⣿⠀⠀⢸⣿⣇⠀⢿⣧⡀⠀⠀⠀⠀⠀⢀⣾⡟⠁⠀⠀⠀⠀⠀
+⠀⠀⠀⠻⣿⣿⣿⣿⣿⠿⠋⠀⠀⠀⠀⠀⠉⠉⠙⠛⠛⠿⠷⢶⣦⣤⣀⡀⠀⠀⠀⢻⣿⣿⣿⣿⣿⣆⠀⠈⢿⣿⣦⡀⠻⢿⣦⣤⣤⣤⣶⡿⠋⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠉⠉⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠉⠛⠻⠿⠿⢿⣿⣿⣿⣿⣿⠦⠤⠤⢙⣻⣿⡦⠤⠽⠛⠛⠛⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀