When Jeff Goldade was about 11 years old, he would reluctantly help out his father, Lyle, who owned Sewer Duck Inc., a drain-cleaning business in Aberdeen, S.D.“I did what I could to get out of it,” Goldade admits. “But my dad was a single parent, and the only way for him to keep an eye on me was to take me along on jobs. So I’ve been cleaning drains since I was a little pup.”What a difference 25 years can make. Today, Goldade, 36, is the enthusiastic owner of Sewer Duck, which he bought from his father in 1996 when
