Every house has an edge, so expect to lose 1% of whatever you wager...
However you could look up the fibonacci method and play on 49% winchance
If you're good at sports and know teams very well you could also bet on sports...
Me being a gamer, I would bet on E-Sports Bets
What are some good Bitcoin gambling sites for sports bets? I think there was a site during the World Cup but I haven't seen it since.
. Has all sports, including ESports.