Hopefully she'll take another test ride before buying it! It's on hold already, so it won't get sold out from under her.
I wonder what kind of tires they have on it?- she could make them swap a few parts before buying it.
Kind of like buying a car...at the last moment you say- "If you throw some mud flaps and fog lights in at no charge, I'll sit down right this minute and write you a check."