Guest posting! The highway to unbridled blogging success! Nab yourself a spot on an A-List blog and suddenly it's your name in lights. Traffic, engagement, the undying adulation of the unwashed masses! Sounds great, right? Well, it is, actually. But what about those of us who really crave a bit of failure? The ones who like to start every anecdote with "One time I almost" or "I was this close '"? What does guest posting offer for us? Well, fellow failure-chaser,