Learn the in's and out's, tips and tricks of sports betting and your bankroll management, THE most important part of the entire picture if you want to be successful.
Following semi-strict money management rules along with solid handicapping will make you a winning and profitable sports better in the long run.
Quick summary:
NO chasing losses - ie. betting more after a loss to try and come back
NO varying your bet size for any reason - bet a consistent amount
Bet a set percentage of your bankroll. I recommend 5%