Some promotions require no initial deposit. Others will need a small initial deposit to trigger the bonus offer, especially if it's part of a welcome package. Luckily, most online casinos offer a low minimum deposit of $1-10. You can sometimes claim more than 100 free spins with a $5 casino deposit. There are two categories of slot games, available at online slot sites, that commonly offer free spins: the first is the most popular slot games, and the second is the original slot game lineup. Larger online casinos may have original games on the site, and free spins are an excellent way to encourage players to check them out, so they’ll frequently attach free spins to those games. Additionally, since the casino owns the game itself, it doesn’t have to acquiesce to any free spins limitations the way it might on a third-party game.