Of the 5,000 puppy mills in the United States, most are in the Midwest. Be Part of The Solution Spay or neuter and encourage others to do the same. Adopt from a shelter or rescue organization. Adopt only if you are ready for a 10-18 year commitment. You must pay state taxes on pups you sell.
Breeding stresses the female dog.
Selling 12 puppies will be difficult. Advertising costs are high. You are responsible for dogs you bring in this world and should accept dogs that are returned throughout their life. Be prepared to pay for the cost of an emergency cesarean section and be prepared for puppies born dead. Puppy mills and back yard breeders exist in the Columbus area.