Long-shot parlays are some of the most thrilling bets you can make. By combining several unlikely outcomes into a single ticket, even a small stake can turn into a massive payout. The catch is that every pick has to be correct, making the odds of winning quite low. That's why many experienced bettors treat them as fun, high-risk, high-reward wagers and only risk an amount they're comfortable losing. When everything comes together, though, the payoff can be unforgettable.