1: Go to the top of MT Chiliad.
2: Look for the Moutain bike.
3: It will say Chiliad Challenge.
4: Start the race and jump of the ramp near the start.
5: When you jump off do as many stunts (flips,turns) but dont fall off
6:You will respawn at the top with the money!
7: Do as many times as needed HAVE FUN!