By Farnam Street
Published February 18, 2025 5:00am
Imagine leaving a six‐figure Wall Street salary behind to chase a single, daring idea. In this episode, David Heacock shows you how he turned a basic product into a $250M empire. At 29, he left Wall Street to bet on air filters. That bet transformed into Filterbuy, now a $250 million direct-to-consumer manufacturer serving more than 7 million customers through a ruthlessly efficient operation. Today we talk about what actually matters when building a business, balancing obsession with family life, selling on Amazon, what he’d do differently if starting over, and the freight decision he calls his biggest mistake. Whether you’...