No disrespect intended, I always get dogs from either other folks or the local pound/rescue agency. I'd rather not deal with puppyhood and have always referred to my pooches as 'used.' They don't mind. And I agree with Greg that one can almost always teach a used dog to behave. The exception might be a seriously aggressive alpha dog, which I wouldn't want in the first place. I tried one of those out on the pleading of its owner and the dog was fine around me, but was always challenging men. At the time I had teenaged boys with all their various friends coming and going. Not a good combo. Handsome animal, but way too aggressive. He went back to his owner.