There are several types of free bets, the most popular type is a matched betting (also known as a back up bet or a matched bet), there is a money back (also known as a risk free bet or a cash refund), there are a free bets in percentages (the most common are 50%, 100% and 200%), and there is also a welcome bonus package (various combinations that mainly include free sports bets, casino bonuses and free spins).