No, there is no money cheat for GTA 5-not even in the singleplayer mode. To be safe, you're advised to manually save before messing around with any GTA 5 cheats active, and to reload once you're done.
You won't be able to earn higher than Bronze rating for missions.Once you've enabled a GTA 5 cheat, the following conditions will apply: Can I earn achievements while using GTA 5 cheats?
