diff --git a/estate/__manifest__.py b/estate/__manifest__.py
index bcfb335ed0..1fd8a6a1e7 100644
--- a/estate/__manifest__.py
+++ b/estate/__manifest__.py
@@ -14,8 +14,11 @@
         'view/estate_property_type_view.xml',
         'view/estate_property_tag_view.xml',
         'view/res_users_view.xml',
-        'view/estate_menus.xml'
-
+        'view/estate_menus.xml',
+        'data/property_type.xml'
+    ],
+    'demo': [
+        'demo/estate_property_demo.xml'
     ],
     'installable': True,
     'application': True,
diff --git a/estate/data/property_type.xml b/estate/data/property_type.xml
new file mode 100644
index 0000000000..c4d3fb8a10
--- /dev/null
+++ b/estate/data/property_type.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="property_type_residential" model="estate.property.type">
+        <field name="name">Residential</field>
+    </record>
+    <record id="property_type_commercial" model="estate.property.type">
+        <field name="name">Commercial</field>
+    </record>
+    <record id="property_type_industrial" model="estate.property.type">
+        <field name="name">Industrial</field>
+    </record>
+    <record id="property_type_land" model="estate.property.type">
+        <field name="name">Land</field>
+    </record>
+</odoo>
\ No newline at end of file
diff --git a/estate/demo/estate_property_demo.xml b/estate/demo/estate_property_demo.xml
new file mode 100644
index 0000000000..11344f3257
--- /dev/null
+++ b/estate/demo/estate_property_demo.xml
@@ -0,0 +1,31 @@
+<odoo>
+    <record id="demo_big_villa" model="estate.property">
+        <field name="name">Big Villa</field>
+        <field name="state">new</field>
+        <field name="description">A nice and big villa</field>
+        <field name="postcode">12345</field>
+        <field name="date_availability">2020-02-02</field>
+        <field name="expected_price">1600000</field>
+        <field name="bedrooms">6</field>
+        <field name="living_area">100</field>
+        <field name="facades">4</field>
+        <field name="garage">True</field>
+        <field name="garden">True</field>
+        <field name="garden_area">100000</field>
+        <field name="garden_orientation">south</field>
+    </record>
+
+    <record id="demo_trailer_home" model="estate.property">
+        <field name="name">Trailer home</field>
+        <field name="state">canceled</field>
+        <field name="description">Home in a trailer park</field>
+        <field name="postcode">54321</field>
+        <field name="date_availability">1970-01-01</field>
+        <field name="expected_price">100000</field>
+        <field name="selling_price">100000</field>
+        <field name="bedrooms">1</field>
+        <field name="living_area">10</field>
+        <field name="facades">4</field>
+        <field name="garage">False</field>
+    </record>
+</odoo>
diff --git a/estate/models/estate_property_offer.py b/estate/models/estate_property_offer.py
index 9a486c4143..bb57869a28 100644
--- a/estate/models/estate_property_offer.py
+++ b/estate/models/estate_property_offer.py
@@ -72,5 +72,5 @@ def create(self, vals):
             max_amount = max(existing_offers.mapped('price'))
             if price < max_amount:
                 raise UserError(
-                    "The offer amount cannot be lower than an existing offer.")
+                    f"The offer amount cannot be lower than an existing offer {max_amount}")
         return super().create(vals)
diff --git a/estate/wizard/estate_add_offer_wizard.py b/estate/wizard/estate_add_offer_wizard.py
index ee933ddae2..c269bdcc5b 100644
--- a/estate/wizard/estate_add_offer_wizard.py
+++ b/estate/wizard/estate_add_offer_wizard.py
@@ -10,7 +10,7 @@ class EstateAddOfferWizard(models.TransientModel):
     offer_status = fields.Selection(string='Offer Status',
                                     selection=[
                                         ('accepted', 'Accepted'),
-                                        ('rejected', 'Rejected')
+                                        ('refused', 'Refused')
                                     ])
     buyer = fields.Many2one('res.partner', string='Buyer')
 
diff --git a/estate/wizard/estate_add_offer_wizard_view.xml b/estate/wizard/estate_add_offer_wizard_view.xml
index aa77b86ad3..fe2928ad04 100644
--- a/estate/wizard/estate_add_offer_wizard_view.xml
+++ b/estate/wizard/estate_add_offer_wizard_view.xml
@@ -1,13 +1,5 @@
 <?xml version="1.0"?>
 <odoo>
-    <record id="estate_add_offer_wizard_action" model="ir.actions.act_window">
-        <field name="name">Estate Add Offer Wizard</field>
-        <field name="res_model">estate.add.offer.wizard</field>
-        <field name="view_mode">form</field>
-        <field name="view_id" ref="estate.estate_add_offer_wizard_view_form" />
-        <field name="target">new</field>
-    </record>
-
     <record id="estate_add_offer_wizard_view_form" model="ir.ui.view">
         <field name="name">estate.add.offer.wizard.form</field>
         <field name="model">estate.add.offer.wizard</field>
@@ -28,4 +20,12 @@
             </form>
         </field>
     </record>
+
+    <record id="estate_add_offer_wizard_action" model="ir.actions.act_window">
+        <field name="name">Estate Add Offer Wizard</field>
+        <field name="res_model">estate.add.offer.wizard</field>
+        <field name="view_mode">form</field>
+        <field name="view_id" ref="estate.estate_add_offer_wizard_view_form" />
+        <field name="target">new</field>
+    </record>
 </odoo>
\ No newline at end of file