Sports Betting 101

Sports betting has become a huge business with companies making millions each year. These companies make money through various methods such as fees, commissions, and promotions. It’s important to know what you’re getting into before you start gambling. The more research you do, the better your chances are of winning.

Many people use the internet to make their wagers. There are a variety of online sites that offer sports bets. These sites can be accessed via computers, tablets, and mobile phones. They also have customer support available for any questions or concerns. It’s important to find a sportsbook that has a good reputation in the industry. This will help you avoid being scammed.

The booming industry of sports betting has brought a dramatic change to professional and collegiate sports. Spectators now wager tens of billions each year on games that used to be watched with little or no financial interest. The surge has also led to a sharp increase in calls to the National Problem Gambling Helpline network. Vin Bickler, who answers calls at the New Jersey Council on Compulsive Gambling, says the number of inquiries is 45% higher than last year.

In addition to placing bets on specific teams and players, bettors can place wagers on totals. These bets are based on the total points scored by both teams. They can be placed on the spread (line) or over/under. An over/under is often set for the first half in American football and basketball, fewer innings in baseball, or a shortened period of hockey.