I like a good haircut. Not just because I feel cooler in this ridiculously hot New York summer, but because I talk to my barber, Nick, about small business.

Nick’s about 35, lives in the same town as me, has a wife and two young children. In addition to cutting hair, he owns an Italian ice place in town that has been an institution for as long as anyone can remember. It’s a great business. The gross margin on ices is about 90 percent and he owns the roadside, freestanding building that’s open from May through September. I learned a few things from Nick. Read more...