To begin with, I am going to assume if tend to be making a sports wager or betting on a sports game you are doing it somewhere legal (i.e. European Roulette has your dream house edge of two.63%, American Roulette uses a house side of 5.26%. https://astradigital.co.uk/wiki/index.php?title=Play_Craps_With_Winning_Strategies:_Placing_Across_The_Board_With_Come_Bets