As an industry standard, betting limits differ depending on the type of bet in question, but even serious gamblers will find the wagering limits at BetOnline more than sufficient. BetOnline allows for wagers up to $5000 on most basketball, baseball and soccer matches, while NFL point spread limits can go as high as $25000. BetOnline has set up a sports betting limits page to help you stay up to date with the latest wagering limits. In terms of horse racing, BetOnline will take bets as big as $100,000.