Upgrades
Level
|
Usage Fee
|
Appeal
|
Cost
|
Max
|
Build Time
|
Sell
|
Level 1
|
23
|
14
|
64,000
|
330
|
6h 30m
|
|
Level 2
|
+2
|
+1
|
128,000
|
430
|
7h
|
|
Level 3
|
+2
|
+1
|
320,000
|
560
|
8h
|
|
Level 4
|
+3
|
+1
|
512,000
|
730
|
10h
|
|
Level 5
|
+3
|
+1
|
1,024,000
|
950
|
13h
|
204,800
|
Level 6
|
+4
|
+1
|
1,843,200
|
1,235
|
16h
|
368,640
|
Level 7
|
+4
|
+1
|
2,662,400
|
1,610
|
19h
|
|
Level 8
|
+5
|
+1
|
4,352,000
|
2,095
|
22h
|
|
Level 9
|
+5
|
+1
|
5,376,000
|
2,725
|
25h
|
|
Level 10
|
+6
|
+1
|
6,400,000
|
3,545
|
28h
|
|