The Yorkshire Terrier Club of America requires breeders to keep Yorkie puppies until they are
at least 12 weeks old. A breeder who will sell a puppy before that is either ignorant of the 12 week rule or doesn't care. Either way, it's a huge red flag.
Breeders who don't follow the YTCA's 12 week rule probably don't follow other rules like carefully screening the parents for genetic conditions that they could pass onto their puppies.
Did you know that Yorkies are 36 times more likely to be born with a liver shunt
than all other breeds combined?
Portosystemic Shunts FAQ
That the Orthopedic Foundation of America ranks Yorkies #3 in cases of luxating patellas?
OFA: Patellar Luxation Statistics
That 39% of Yorkies are born with Legg-Calf-Perthes?
Health Survey 2007
Unless you want to risk spending a fortune in vet bills and possibly have your heartbroken, it is very important to get a puppy from a reputable breeder.
http://www.yorkietalk.com/forums/yor...ead-first.html