I have a question for everyone

I would assume that someone has done that here? I don't even own a car so I will be the last person to pick apart anothers car. I just enjoy the cars and go on my way. It is understood where I am from that people usually try to make a little money when selling something so of course they usually paid less then their asking price. I don't know alot of guys that buy parts with the hopes of selling them for less then they paid. Just my .02