All I can add to what has been said is BUYER BEWARE.
Do your research.
Want to contribute to puppy mills or anything resembling a puppy mill? Then read this and see if you are still comfortable with it: Puppymills - information on puppymills and what you can do to stop them.
As a whole, reputable breeders generally only produce ONE or maybe TWO litters a year and none of them will refer to their breeding programs as "businesses".