Do most people get them as puppys?

I found this place which is not far from me..

Ox Ridge Kennel Club, Inc.
Mrs. James Hausman, 119 Farms Rd., Stamford, CT 06903

I'm new to this..but you buy the dogs their right?

If so how much do they run?

and this place

Connecticut Yankee Dachshund Club
Mrs. Barbara Keck, 19 Valley St., Waterford, CT 06385