In the past, the only way to get in on the excitement of betting on sports was by visiting an Sports Booking Operator. It required you to provide information and pay fees. Today, sports betting apps are clearinghouses. They register and process bet calls , and pay out. วิธีแทงบอล betting on sports is legal in a few states, such as Nevada. It could take a few years, based on the laws, before it becomes legal in your state.