A guy with zero industry experience bought an 80-year-old septic company doing $1M a year and tripled it in two years. He didn't invent anything. He added routing software to a business that had never used any.

Trying to feed "everyone who wants to eat healthy" is a bloodbath. One company skipped the whole market and became the food inside the UFC and the PGA Tour instead. Narrow won.

A boat sits idle about 95% of the year, quietly losing value in a slip. One owner turned his into $190,000 of profit by letting strangers book the hours he wasn't using.