Joining a guild can define a player's MMO experience, for better and for worse. So if you're looking to join one, plan on switching to another, or are just plain curious to see what this "guild" stuff is all about, you might want to check out this handy dandy list of tips. If you're too lazy, and decide not to heed this advice, don't come crawling back after spending three months raiding and contributing to your new guild in the MMO only to be repeatedly shunned every time you ask to roll on superior endgame loot. Guild business is serious business ... or not.