get an ebay account. get to know good prices. buy stuff wen its cheap or out of season, or wen u find a good deal. sell it wen theres a demand youll make lots of money.
u could sell ur body to science. my friend did that and made a lot of money. now he has 6 fingers n his left hand and an EXTREME sense of smell. its crazy. he like smells me ripping ass from across the school.