I have thousands of cards that I would like to sell as a whole. Possibly in the tens of thousands of cards. Would you buy them all or want.to go through every box and every binder?

He usually has you make an appointment to go through cards. He was very quick with my pokemon cards & knew what was worth it & what wasn't. He bought all of my cards but really just paid for the valuable ones. I just didn't want the cards anymore so I was okay with it.

Your best bet is to go through the cards to see what you have before bringing a box that would take hours or even days to go through