These old school businesses are making millions

Synopsis
Profiles of old-school businesses still printing money: The Onion's relaunched print paper, Oberweis dairy home delivery (the milkman model revived), Joe Lemandt's Alpha School with a 2-hour learning model, and Grind Academy, a brick-and-mortar homeschool co-op facility.
Ideas in this episode
- Niche grocery marketplace
Old-school businesses such as Oberweis dairy home delivery show that revived grocery delivery models can still work.