Then there would be a guy that would trade the two vetts and the 69 camero for a numbers matching 70 hemi Cuda. Guess it's the the value that the traders believe they are worth that counts in a deal.
The thing is you price any car so that someone wants the car more than he wants the cash. If you price it too high you just won't sell it. I'm sure there are a lot of cars listed, that never sell at the listed price.