50 CENT: BULLETPROOF - G UNIT EDITION TIPS & TRICKS
Get Extra Money
After you kill an enemy, press Circle, then 50 Cent will kick the person and most of the time cash icons will appear.
Get Extra Money III
After completing the game, go to Iceberm. Buy "Invulnerability" and "Infinite Ammo" cheats. Then, go back to the subway entrance and choose the boat level. Repeatedly complete that level. This is the level where you must get the drugs.