This is a great game, and I appreciate how easy it is to make safe bets. Use the coin flipper. Bet $1000 on tails. If you lose, bet $2000 on tails. If you lose again, bet $4000 on tails, and so on. If you're low on money, such as in the early game, maybe start with $250 in case of a freak accident. If you start to get super rich, you can increase the base amount. Except by some astronomically small chance, you'll always end up with a profit by doing this.