My brother, Jim Wilhoit, who has a small farm and manages a fishery in western Pike County, Missouri, got a lesson recently in the power of the Internet.
Almost 20 years ago, in search of way to generate some off-season income, he created a specialty product, a wood-burning stock tank heater. He put one to use in his own pasture and neighbors saw and liked it. Soon he was building them for customers across the Midwest.
He built and sold them for a few years until landing a full-time winter…