Here are some cheats and tips for sims 3... they work for me! But if u have any problems leave a comment!
* While playing the game, press [Ctrl] + [Shift] + C to display the console window. Then, type one of the following codes and press [Enter] to activate the corresponding cheat function. Note: In Windows Vista u may need to press [Ctrl] + [Windows] + [Shift] + C to display the console window.
CHEAT - RESULT
help - display most cheats
testingCheatsnabled [true of false] - Enable testing cheats [Note 1]