this type of situation actually happened to me when i purchased used 50D from other reputable forum (not here). seller claimed that he was selling it for his shooting buddy and he has good if not excellent feedback. he said camera was in excellent condition with a few months warranty left and around 3k clicks. long story short, i made the payment, shipping was fast, communications were prompt. then i checked it had almost 11k, manual was torned, strap has musty smell and color was faded. i was upset and msg him back. he apologized and ask what he could have done to make everything ok and get a good fedback. he sent me his own manual and strap. i sent the 50D to canon to check the inside part since it's under warranty. turned out everything was ok, camera had no scratch and in excellent condition. i gave him good feedback just because he sounded sincere and he communicated very promptly with me. and as long as canon checked the camera and make sure everything is in perfect working condition, no cosmetic blemishes, i don't really care about 11k clicks. but this is just my personal preference and YMMV.