Well, I assume it means they aren't a *professional* seller.
I enjoyed Ebay more when it was truly 'Americas garage sale'. I like finding something I, or a friend, is looking at a reasonable price It that item is being sold by a person who is unloading stuff in preparation for a move, trying to raise rent money, or just cleaning out the attic I'm not going to expect them to have or somehow borrow an expensive digital camera.
If they have good stuff and are willing to help me determine that their stuff is, indeed what I want, I've been happy to bid it up to whatever it is worth to me.
Sadly, Ebay is becoming a site geared toward professionals and finding bargains is becoming very, very difficult. Sellers have to pay for expensive cameras, high listing fees and Paypal somehow, and the casual seller who just wants to sell off a few collectibles seems to be getting pushed out.