I don't know if you can make money just by gambling, but by betting, absolutely. For this you need to know the sport on which you want to bet. You need to learn all the teams, players, scoring system, etc. Yes, it will take you a lot of time, but it will make you money. And don't forget to choose the right bookmaker. There are so many sites out there now, so many that https://www.interbasket.net/news/nba-all-star-reserve-predictions/36702/ with each other. So be careful, because choosing the right place to bet is not easy.