As long as you have any of "The Sims" games that has the 'Sky Scorchers Fireworks Kit', you can do this cheat. Buy one, then make a Sim launch one. The firework will go into the air, then, as it's coming down, go on Buy Mode and click on it. It should say: 'Press "Delete" or click here to sell *Toy Rocket - Down/Explosion for $2,300.'

Keep doing that and you should have loads of Simoleons in no time, and you don't need to put in move_objects on