1, read post here and you will learn how to play the game better.
2, if your playing online and you are playing multiple table i suggest you get a HUD(HM2/PT4 or the free HUD Hitman)
3, play 1-2 tables only for your first few days.. less confusing that way.
4, try not to drink alcohol when you play.
5, read poker books and practice hand drills
6, at the end of each month, check you bankroll and stats and if your using a HUD, run a Leak analyzer like leak buster.
7, lastly, only play real money if you can afford it without lowering your life style or taking the cash from your daily necessities.