A $100 no deposit bonus is a promotional offer from online casinos or sportsbooks that allows new players to try out games or betting options without having to make an initial deposit. This bonus provides a risk-free opportunity to explore the platform, win real money, and experience the excitement of gambling. Players typically receive the bonus upon registration, enabling them to play various games or place bets immediately. However, it's essential to review the terms and conditions, as wagering requirements and withdrawal limits may apply.