James Crosby earns around $3,000 a month by spending about 1-2 hours a day on arbitrage betting, with a total profit of $8,500 in 3 months.Crosby strategically places bets across multiple platforms to guarantee a profit, using services like OddsJam to find the best bets.His bets typically have a profit margin of 3-4% per wager, with returns ranging from $3 to $4 for every $100 bet.Although legal in some states, sportsbook sites dislike arbitrage betting and may restrict accounts upon detection.Crosby learned about arbitrage betting from his roommate, who has been successful in the field, earning $30,000 to $40,000 annually.He plans to use his earnings for a down payment on a house, a wedding ring, a new car, or as a financial safety net.Crosby emphasizes the importance of budgeting for taxes, setting aside around 20% of his earnings for tax payments.He remains optimistic about the sustainability of his side hustle and aims to continue investing his profits wisely.Arbitrage betting provides both value and challenges to sportsbook sites, helping them optimize odds while allowing bettors to profit.Crosby believes anyone can be profitable with arbitrage betting, emphasizing the need for initial capital and time investment for higher returns.