What's the best course of action/questions? True, clean frets, clean nut, no cracks etc.? I imagine I could ask all the questions I want, but I'll just hear what they want to say to sell the thing and then I could be stuck with a lemon. True or am I being too pessimistic? Just trust the feedback and get over it? Is it really just a gamble based on looking at pictures? Speaking of, what's normal back-of-neck wear? Specifically, what am I looking at here: Thanks in advance, TB!