Free Bet (bookmaker’s promotional bonus bets) is an amount of money that a bookmaker will credit to your account. A free bet differs from a regular bet in a couple of ways. Firstly, if your bet loses, you do not lose anything. And secondly, should you win, unlike a regular bet where you are returned the amount you bet (your stake) plus the profit, with a free bet, you receive only the profit.
Sign Up Bonus offer is available to customers only once. It is employed by bookmakers to attract new customers. Each sports betting site offers a particular advantage to new players. And the most common one is the increase on the first deposit. Example: customer signs-up, deposits 500 and then the bookmaker gives him an extra 500 as a bonus). As there are hundreds of bookmakers, so are there hundreds of opportunities to get sign-up bonuses.