Yeah, they want quick cash so they’ll sell at a discount.
I’m also sure that the show auditions people and winnows them down to highlight the most interesting stuff.
I am waiting for the house I grew up in to go on the market. Being a Realtor near Grand Rapids, MI, I have thousands of baseball cards stored in an attic before we moved and they have been buried under 20 inches of insulation since I moved 30 years ago. In that collection are my fathers and grandfathers baseball cards as well as mine. It would be fun to see if the cards are still there