diff --git a/project/assets/office.tscn b/project/assets/office.tscn
index d513d36..f9058dc 100644
--- a/project/assets/office.tscn
+++ b/project/assets/office.tscn
@@ -4,3 +4,7 @@
 
 [node name="Office" type="Node2D"]
 script = ExtResource( 1 )
+
+[node name="Rent" type="Timer" parent="."]
+wait_time = 5.0
+[connection signal="timeout" from="Rent" to="." method="_on_Rent_timeout"]
diff --git a/project/project.godot b/project/project.godot
index b2c69b0..6433bbe 100644
--- a/project/project.godot
+++ b/project/project.godot
@@ -23,9 +23,15 @@ config/icon="res://icon.png"
 
 TowerData="*res://src/autoload/twrdata.gd"
 
+[display]
+
+window/stretch/mode="viewport"
+window/stretch/aspect="keep"
+
 [rendering]
 
 quality/driver/driver_name="GLES2"
+quality/2d/gles2_use_nvidia_rect_flicker_workaround=true
 vram_compression/import_etc=true
 vram_compression/import_etc2=false
 environment/default_environment="res://default_env.tres"
diff --git a/project/src/office.gd b/project/src/office.gd
index 0844bc7..72ae48a 100644
--- a/project/src/office.gd
+++ b/project/src/office.gd
@@ -1,9 +1,26 @@
 extends Node2D
 
 const OFFICE_PRICE = 1000
+const OFFICE_INCOME = 500
 const MAINTANCE_COST = 350
 
+export var is_vacant: bool = true
+
 func _ready():
 	# Once placed in-world, it'll substract from your budget
 	if TowerData.budget >= OFFICE_PRICE:
 		TowerData.budget = -OFFICE_PRICE
+		
+
+func _process(delta):
+	
+	# If the office is no longer vacant, start rent timer
+	if is_vacant == false:
+		$Rent.start()
+	else:
+		$Rent.stop()
+
+func _on_Rent_timeout():
+	# On timeout, pay the player and restart timer
+	TowerData.budget = OFFICE_INCOME
+	$Rent.start()