To maximize your chances of winning big in sports betting, start by conducting thorough research on teams, players, and statistics. Focus on specific sports where you have expertise, as this knowledge can give you an edge. Manage your bankroll wisely by setting limits and avoiding impulsive bets. Look for value in odds rather than just betting on favorites. Additionally, consider using multiple sportsbooks to find the best lines and promotions. Finally, stay disciplined and avoid emotional betting; stick to your strategy for long-term success.