So simple math tells us that, you have to spend 40500$ or 675(2000gems boxes) if you want to get lvl 20 VIP. Please upvote this, so people can see this :D
It has been around 2 week of offline income is not working.. could you do something with it, i really enjoy this game but without it believe it is impossible to play it.
 "Mighty Party"){kind=icon}
 "Champions of chaos"){kind=icon}
 "AdVenture Capitalist"){kind=icon}
A fix is on it's way!