There is a lot more to sports betting than most people think. The successful sports betters are not alcoholics that just sit around the casinos and survive off luck. All of the successful ones that I know are very calculating and have a purposeful and deliberate strategy that intelligently guides all of their decisions. As a beginner, there are certain things that you must know from the beginning.
For most beginners it is smart to completely avoid betting on your favorite team. Most people get all mixed up when they try to bet on their favorite teams. They usually want their teams to win so badly that it clouds their judgment. There are a bunch of emotions and biases that get in the picture and almost always cloud your judgment. This usually ends up in making poor decisions and losing a lot of your hard earned money.
Beginners also tend to think that they should be making a whole crap load of bets because they, for some strange reason, think that is how the pros do it. That is not what they should be doing and I do not know a single successful sports gambler that started out making a lot of bets simultaneously. You need to learn the skill of self control and only betting on the games and matchups that you know a lot about. You have to fully understand and analyze the game before placing a bet on it. Remember, the more bets you place, the less your odds are of making money.