Traditional, most popular surebet type widely spread on all services.
We make a bet 30.21 in US dollars for 'first team wins' in Bet24 using odds 3.35.
We make a bet 69.79 in US dollars for 'second team wins' in Pinnacle Sports using odds 1.45.
Total size of all bets in US dollars is 100.
If the game draws, we get both bets back.
If first team wins, we get 30.21*3.35 = 101.20, our net profit is 1.20.
If second team wins, we get 69.79*1.45 = 101.20, our net profit is 1.20.