I only wish I had learned these principles much earlier in life.
Here are several excellent books to help you learn how to make money, save it, invest it and spend it more wisely.
Rich Dad, Poor Dad is simply the best book ever written to help teens understand how to make and handle money. (also available in compact discs)
Raising Money Smart Kids by Kiplinger Personal Finance and authored by Janet Bodnar.
Kids and Money from Bloomberg Press and written by Jayne Pearl
Good luck. Your are a WINNER!