New players can easily find the bonus code field on the first page of the sign-up form. Bettors must use their free bets within 14 days of issuance.Customers may only use free bets on markets with odds of -200 or longer (e.g., -110, +110, +220, etc.).The BetRivers bonus is free of unfavorable terms, but there are two things to note: Anyone whose first bet loses receives a free bet of equal value worth up to $500.įor example, someone who places a first bet of $250 and loses would receive a $250 free bet to use on any sport. The BetRivers 2 nd Chance First Bet offer gives all new users who register with the BetRivers bonus code BUSA a chance to place their first bet with a refund guarantee in place.