Yes! Many online gaming sites entice players to sign up with free bonuses to expand their customer base, meaning it is indeed possible to win real cash without paying a penny. There are usually terms and conditions with regards to free sign-up bonuses. You may be required to play a certain number of spins on the roulette table with your free deposit, or you might need to remain on the blackjack table for a specified length of time – some casinos would go bankrupt by allowing people to make a free bet and withdraw their winnings instantly.