I'm not going to give you a big load of crap for breeding your dogs, but no matter how careful you are of who you give them to, there is always a chance that bad people will get them. Once when my dad used to breed dogs, two of the puppies ended up in the shelter, and he paid to get them back. You should consider waiting to breed until the populations demand for dogs and cats is much higher.
Also, I am not saying that no one should breed dogs, because if that were the case, there would not be any. I am just saying, you should be extremely careful of who you give the pups to, and also do home checks, vet. refs., and even ask what their experience with the breed is as each breed of dog is different.