With so much advice on what TO do in Cuzco, Peru, what about advice on what NOT to do? I spent nearly a month backpacking through Peru (& Bolivia). Overall, I felt very safe and had no issues. Common sense is your best friend! Despite our efforts, things happen, so here are some safety pitfalls, scams, and other general things to avoid before you travel here. Especially if you've ever asked yourself, "is Cuzco safe"?…