A sure bet is when you place bets and not matter the outcome you win automatically. Example if you bet. A sure bet occurs when you use different odds from betting platforms against each other. Sure bets are rare these days because most bookmakers have smart computers doing the work for them.
To find sure 2 odds, you need to research and analyze the teams, players, and events that you want to bet on. You can look at factors such as recent form, head-to-head records, player injuries, and home/away advantage, to identify the teams or players that have a higher chance of winning.