I think it is worth choosing a reliable bookmaker to start with. Now there are many bookmakers, but it is very difficult to choose for many reasons, I can advise you to look in the review of bookmakers Mostbet https://mostbet-bd-online.com/. Well, and of course you need to watch the forecasts on sports without this I think there will be no successful bet. If you do not understand anything about sports, then I think you should not start betting at all. I know a few examples when they started to make bets and they were not successful.