If a deal sounds too good to be true... chances are it's not true. We're not talking about obvious fakes like the truly horrific "Air Jordan Vs" shown above—anyone who's been into sneakers for more than 45 minutes should be able to pick those out. But if there's an auction for a hard-to-find shoe with untagged photos, a sketchy description and a suspiciously cheap Buy It Now, well, just don't say we didn't warn you.