Every great small business has a story, and Entrepreneur’s America’s Favorite Mom and Pop Shops series goes on location to hear them firsthand. In this episode, editor in chief Jason Feifer visits Bethlehem, Pennsylvania, a former steel town that has spent 30 years figuring out what comes next.

That’s where he meets Kim Myles , who won HGTV’s Design Star and spent two decades on television. A year ago, she and her husband, Scott, bought Gadzooks , a Lehigh Valley salon that has been on the same corner for more than 35 years.

Her first move was doing nothing. Kim promised her team she wouldn’t change a thing for six months, aside from sprucing up the interior. “You be curious, and you shut up, and you listen,” she advises entrepreneurs buying beloved local businesses. The strategy worked, keeping loyal customers coming through the door, while making gradual changes to bring in new ones.

Another out-of-the-ordinary move: While Kim has skills, she doesn’t cut hair at Gadzooks.…