welcome to YT. I have 2 yorkies that were re-homed - they came together when they were each about 1 1/2, and they have done great - I have had them for almost 4 1/2 yrs.
Here's a pair looking for a new home:
www.yorkietalk.com/forums/showthread.php?t=98930
maybe you could get her to come down on the price