What games are you playing? MTT? STT? SNG? Cash games? The more info on what kind of game your playing and the stakes is pretty important for me to be able to help ya more in depth but....
Bankroll Management (Look at your money as the amount of buy-ins)
Watch a table for 15-20 hands before you dive into it
Stay active on this site to learn more
Mess around on freerolls
to get the gist of the action and what goes on. Freerolls are offered pretty much all day everyday on Full tilt and Pokerstars
Have fun and dont get too upset when someone draws out on you