$10 deposit bonus codes are promotional offers provided by online casinos and sportsbooks to attract new players or reward existing ones. By entering a specific code during the deposit process, users can receive an additional $10 in bonus funds, which can be used to place bets or play games. These bonuses often come with terms and conditions, such as wagering requirements, so it's essential to read the fine print. Overall, $10 deposit bonus codes offer a great way to enhance your gaming experience without risking too much of your own money.