Quick collecting
When you have lots of buildings and people doing things, an easy thing to do for collecting your money and XP is to click on the thing on top of the building to make the money come out of the building and then do that to the rest of the buildings. You will notice that the money and XP automatically get deposited.
More tricks, tips and cheats for this game are right here - The Simpsons: Tapped Out cheats
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