Had to look it up:
Five Guys founder Jerry Murrell's mother always told him, "If you can give a good haircut or if you can serve a good drink at a bar or if you can serve a good hamburger, you can always make money in America."
lol, she was probably right. Never heard of them, but as it turns out, there're two near me.
As we type,I'm having really good BLTs made with heirloom tomatoes from Whole Foods.