Irresponsible breeders fail to live up to their end of the bargain, don't care what happens to their puppies once they are sold, and will normally sell a puppy to anyone who has the money to pay for the puppy... little or no questions asked.
Not exact matches
Automatic
fail: Along the vein of
irresponsible breeders getting sneaky, some might try to advertise that their puppies are «certified to be free of hip dysplasia.»
In the States, unless you are a dog
breeder, only
irresponsible people
fail to neuter their dogs.