Lots of reasons Matthew. Needing Money could be 1, trying to get his line recognized is another. Just getting out of the sport maybe.
Granted...it doesn't happen that often but if I were needing (and willing to pay for) a really good strike dog...I'd at least check the adds out. Do your homework before hand and you'll be fine. Me personally, I'd hate to miss a good deal just because I was too skeptical to even call.
JMO
I didn't mean that there aren't any sincere people selling truly finished dogs, but I meant there is no way that all of these dogs that are "finished" are legit because it is not very often that someone will sell a dog like that, although to your point, there are circumstances in which some will or may have too. But when you start seeing 5 or 6 finished dogs for sale every day or see a certain person post 5 for sale in a 6 month period, something just isn't right. JMO.