Upgrades
Level
|
Usage Fee
|
Appeal
|
Cost
|
Max
|
Build Time
|
Sell
|
Level 1
|
11
|
7
|
4,000
|
210
|
2h 30m
|
800
|
Level 2
|
+2
|
+1
|
8,000
|
275
|
3h
|
1,600
|
Level 3
|
+2
|
+1
|
16,000
|
360
|
4h
|
3,200
|
Level 4
|
+3
|
+1
|
32,000
|
470
|
6h
|
6,400
|
Level 5
|
+3
|
+1
|
64,000
|
615
|
9h
|
12,800
|
Level 6
|
+4
|
+1
|
128,000
|
800
|
12h
|
|
Level 7
|
+4
|
+1
|
256,000
|
1,040
|
15h
|
|
Level 8
|
+5
|
+1
|
512,000
|
1,355
|
18h
|
|
Level 9
|
+5
|
+1
|
1,024,000
|
1,765
|
21h
|
|
Level 10
|
+6
|
+1
|
1,843,200
|
2,295
|
24h
|
|