Upgrades
Level
|
Usage Fee
|
Appeal
|
Cost
|
Max
|
Build Time
|
Sell
|
Level 1
|
36
|
26
|
640,000
|
510
|
9h 30m
|
|
Level 2
|
+2
|
+1
|
1,280,000
|
665
|
10h
|
|
Level 3
|
+2
|
+1
|
|
|
|
|
Level 4
|
+3
|
+1
|
|
1,125
|
|
|
Level 5
|
+3
|
+1
|
|
1,465
|
16h
|
|
Level 6
|
+4
|
+1
|
|
1,905
|
19h
|
|
Level 7
|
+4
|
+1
|
|
2,480
|
22h
|
|
Level 8
|
+5
|
+1
|
|
3,225
|
25h
|
|
Level 9
|
+5
|
+1
|
7,014,400
|
4,195
|
28h
|
|
Level 10
|
+6
|
+1
|
7,833,600
|
5,455
|
31h
|
|