The potential buyer is more interested in papers produced by the breeder than he is in the reputation of the breeder. (si.com)
On average a hybrid Yorki - poo can cost anywhere from $ 200 - $ 1200 dollars, depending on the breed mixture, the reputation of the breeders, and prior care given. (smallbreeddogs.net)
Although this is not a complete recommendation, most clubs will post a disclaimer saying they are not responsible for the reputation of the breeder. (directorydogs.com)