Many bookmakers offer free bets to new customers.
Or you receive free bets on famous events in some bookmakers.
There are some methods how you can use these freebets for sure winnings.
With this method you have a sure win without any risk to lose your money.
To apply this you need 2 free bets from 2 bookmakers.
Than you have to place the 2 free bets on the same tennis match.
It is worth to find 2 equal strong players so the odds are nearly the same.
Now you have to place the one free bet on the one player and the other on the other player.
If the odds for both players are about 1,85 than you will have a sure win with 1,85xfree bet.
If the free bets have a value from 50 EUR than you will have 50 x 1,85 = 87,5 EUR. The winnings will be than 37,5 EUR.