Herb Washington bought a McDonald's for $100K in 1980. In 2019, McDonald's bought 33 of his restaurants for $33.5MM, after years of struggle. If he'd bought 100K of MCD stock instead? He'd be worth $1,177,906,492 - over $1 billion!
Here's the handy tool you can use to calculate total returns like this (capital gains + dividend reinvestment):