The first and one of the most well-known sports betting and casino strategies on how to win is the martingale system. In its basic variant, each time you lose a bet, you should wager double on the next match. This way, whenever you win, you cover all your previous losses and gain money for the next bet.
A +200 money line would mean that if you placed aR$100 bet, you would winR$200. It also tells you that the team is not expected to win, as it is the underdog in the game.