Read items 1-15 several times. Buy a puppy only from a reputable, responsible breeder. Reputable breeders never sell through pet shops or any third party. Reputable breeders will have proof of hearing testing on both parents and on the puppies. Ask for copies of certification.
Some breeders also screen for eye problems, thyroid problems, etc.
This indicates a very responsible breeder. Responsible breeders require that pet puppies be spayed or neutered before registration papers are given. Reputable breeders will supply the buyer with detailed information on caring for their new Dalmatian puppy. Reputable breeders will interview the prospective buyer at length. Reputable breeders are usually active in dog shows, obedience trials, therapy dog work, breed rescue, etc.