A lot of people are betting without knowing anything about it and they get mad when they start losing money. Betting is not rocket science, but if you want to be good at it you must know the sport you are betting on. You will never win every bet, but for example I bet on football because I know it well. I still lose on some bets, but I have won a lot of money because knowing the sport gives me the best chance to win. I do my betting on https://sportsbobet.id because they have a really good app and great odds. It is easy to do it, you just need to download it on your phone and you are good to go.