C) If you do not have a good question about the vehicle, or something positive to say about the vehicle, please do not post in the thread. If you really feel it's neccessary to tell someone how amazingly stupid their asking price is, just PM them - there's no need to litter their thread with that banter.

D) The Golden Rule. That's right, before you hit the Submit button, think to yourself, "Would I want someone posting what I'm about to post in my thread?" If the answer is "No! I'd rip their nuts off!" or something along those guidelines, chances are, you probably shouldn't make the new post.