During gameplay press [ctrl]+[shift]+C to open the cheat console and enter the following cheats code for The Sims 3  PC game:

• Motherlode – 50,000 more Simoleons
• Kaching – 1,000 more Simoleons
• moveObjects [on or off] – Hand tool can move any object in buy and build modes
• testingCheatsenabled [true or false] – testing cheats on objects
• constrainFloorElevation [true or false ] – Allows terrain adjustments regardless of objects/Sims/etc on them
• disableSnappingToSlotsOnAlt [on or off] – When on, ojects will not snap to slots while holding ALT
• fadeObjects [on or off] – Toggles whether objects fade when the camera gets close to them. Does not affect Sims
• enablellamas [on or off] – unkown result
• fullscreen [on or off] – Turns on / off fullscreen
• hideHeadlineEffects [on or off] – Shows or hides talk/thought balloons above Sim heads
• moveObjects [on or off] – Removes limitations for placing / moving objects
• quit – Exits the game
• jokePlease – Prints a random joke to the console
• slowMotionViz <0-8> – Puts visuals in slow motion. 0 = normal, 8=slowest. Does not affect the speed of time in-game
• testingCheatsenabled [true or false] – Enables testing cheats
• unlockOutfits [on or off] – This must be entered before going into CAS. Shows career outfits and service uniforms
• constrainFloorElevation [true or false] – Allow Terrain Adjustments (ex: contrainFloorElevation false, and press Enter to activate the code. )
• resetSim – Returns Sims to a safe, neutral state at their home location
• familyfunds [Familyname] # ( Add Family Funds, ex: familyfunds myfamilyname 100000)