Do not bet what you cannot afford to lose - This really is better known as the golden rule of sports betting and is a thing you absolutely don't want to do because you'll hit a cold streak eventually and lose all your rent money.

Use proper bankroll management - It's very important to use proper bankroll management because betting sports can be very streaky. Even professional bettors can lose 9 or 10 games in a row and if you are betting too much per game you go bust. Think of your bankroll like your child and do what ever it's important to protect it.

Don't bet too many games - You know when Sunday comes and there is 15 NFL games you should not have to bet all of them, you only want to bet the games you've got an edge on and official lottery most successful bettors will only be able to find 2 or 3 games that they have an advantage on.