LOL. You're not too far off base. In all fairness to Pawn Stars though, I did see one episode where the customer was totally clueless on what the value of their item was and wanted only a fraction of what it was worth. Rick informed them of the real value and offered them considerably more than they originally wanted.
On the other hand Hardcore Pawn would have offered $150.00 and then would have thrown them out of the store while accusing them of trying to pawn a fake. (Disclaimer: only watched Hardcore Pawn once or twice and couldn't stand those jerks. Maybe they act the way they do because they're located in Detroit)
I love Pawn Stars for its entertainment value, but there is nothing real about it. Multiple camera angles, customers wired for sound, light reflectors, mic booms, and numerous retakes. I talked to somone who went to the place and there is a line to get in because of the stores celebrity status, and you’re not likely to see the TV personalities working the counters. Oh and they close the store during filming. Small number of customers are invited in for background effect only.