Let's say you're looking to join a group and read their list of rules and requirements, like house rules, what races are allowed, what world is being used, stat creation, or even session time or length, or requirements of what you have to bring, restrictions, or maybe you meet them and they say something you don't like, or act in a way that you don't like, whatever it may be that turns you away. What things are deal-breakers for you that make you go, "Nope," and walk away?