When it comes to betting on sports, Reddit users often highlight football and basketball as the best options due to their popularity and the wealth of information available. Football, with its weekly games and high-stakes matchups, offers numerous betting opportunities, while basketball's fast-paced nature and frequent scoring can lead to exciting wagers. Additionally, Reddit communities provide valuable insights, tips, and discussions that can enhance betting strategies. Ultimately, the best sport to bet on may vary by personal preference, but these two consistently dominate the conversation among bettors on the platform.