Upgrades
Level
|
Usage Fee
|
Appeal
|
Cost
|
Max
|
Build Time
|
Sell
|
Level 1
|
33
|
23
|
400,000
|
465
|
8h 45m
|
80,000
|
Level 2
|
+2
|
+1
|
800,000
|
605
|
9h 15m
|
160,000
|
Level 3
|
+2
|
+1
|
1,600,000
|
790
|
10h 15m
|
|
Level 4
|
+3
|
+1
|
3,200,000
|
1,030
|
12h 15m
|
|
Level 5
|
+3
|
+1
|
6,400,000
|
1,340
|
15h 15m
|
|
Level 6
|
+4
|
+1
|
|
|
|
|
Level 7
|
+4
|
+1
|
|
|
|
|
Level 8
|
+5
|
+1
|
|
|
|
|
Level 9
|
+5
|
+1
|
|
|
|
|
Level 10
|
+6
|
+1
|
|
|
|
|