I paid $975 for Tribble corgi as a puppy from a champion Corgi breeder eight years ago. She has a marking that makes her not qualified for showing or breeding, so she was sold to me as a "pet." The breeder's show quality puppies were sold for $1,125.
I would bet that Tucker came from a breeder (Pems are not coming out of the woodwork where I live) and I bet she was not a four-figure dog, either. I'm not sure about her white, for a start (I don't know BHT markings well enough to be sure whether she does or doesn't have disqualifying white) but it probably did not take long to see that in size and teeth (really crowded, crooked lowers) she was not show-quality. Of course, *I* got her for $50 and a $50 refund after the vet notified AC she'd been spayed. Our shelter goes one step farther with that-if you don't get the animal altered in 30 days or have proof there's a medical reason you can't, you lose your $50 AND you get a $300 ticket from Animal Control. Highly motivating.