A Bet First Deposit Bonus is an enticing offer provided by online betting platforms to attract new customers. When users create an account and make their initial deposit, they receive a bonus, often in the form of free bets or additional funds, which can be used to place wagers. This bonus enhances the betting experience by allowing users to explore various markets with reduced financial risk. However, it's essential to read the terms and conditions, as there may be wagering requirements and restrictions on eligible bets.