Guide to Springfield Heights Billionaire club?

dcahare1 wrote:
Is there a guide or efficient way to get Billionaire Haven? It's such a grind to upgrade buildings.

Thanks

Here is a tips thread from the Game Discussion forum from about a year ago, although I’m not sure how useful it is. If you’re looking for some ultra-fast shortcut, you’re probably going to be disappointed.

http://forum.ea.com/eaforum/posts/list/10346254.page