For you to grow your bankroll in sports betting, you should be very selective about which sports you bet on. You cannot just bet for the sake of betting and place bets on any sports you see on your television. When betting on sports, you should find where you're good at and stick with it. You can be so great betting on the NBA and not so good betting on the NFL, and that's not a bad thing. For that reason, you may have to stick betting for the NBA for now until you improve your NFL betting skills. You should also be very disciplined when it comes to the wager amount you place. We all know winning streaks can improve your mood and give you more confidence. However, you should not increase your stakes significantly when you are on a winning streak and more importantly, when you're in a losing streak. Stick with your betting strategy and place only bets you can afford to lose.