Special items imbue the town with lucrative bonuses. To see the current list, click the build icon on the lower right (the saw and hammer), then click the Homer Buddha. Here's a small sampling of the stuff you can buy.
-Orange Tree (15 Donuts): 0.50 percent bonus money and all XP to all Jobs.
-Squeaky Voice Teen (30 Donuts): This character's jobs earn 50 percent more money and XP.
-Lard Land Donuts (110 Donuts): Earns 125 Money and 13 XP every four hours.
-Duffy Brewery (190 Donuts): Earns 200 Money and 20 XP every six hours.
-Mystery Box (6 Donuts): Win Lard Lad Donuts, Tire Fire, Squeaky Voice Teen or Donuts!