Clarence Saunders made millions by borrowing the self-help cafeteria idea for the grocery business and naming it Piggly Wiggly. Imagination pays!

The founder of the Piggly Wiggly grocery chain was a low-level employee in a corner grocery when he visited a cafeteria and got the idea that the same techniques could be applied to the grocery business. He was ridiculed by experts, but he was convinced that the idea was a good one. Saunders persevered, and his…