[YorkieRose]

I have had situations where the puppy did not work out or the life of the owner change and the puppy needed rehoming.

This is what worked for me...I would meet the buyer at my vets (no one refused) and we made sure it was UTD on vaccines, healthy, parasite free etc..and then I took it home and resold it, giving the owner what ever I got less any expenses...I only charged for any vet fees if needed, not food or grooming.
OR I would call someone waiting to buy one of my puppies and they worked it out..money, vet etc..I was not involved.

OR, if it was over 6 months, I just took it back and found it a home..no money returned. Sometimes I kept the puppy as a pet or gave it to family and friends.