Subreddits are all about specificity, so search for those that hold the narrowest feasible aim that matches your question. Preferred Subreddits for Sports Betting: r/sportsbook: This subreddit has exploded in popularity, now boasting around 450k users. Customers share anything from betting ways to live reactions on video games. Up-to-date in https://www.reddit.com/r/sportsbetting/