I ranked 13 fast-food double cheeseburgers. The best offered big flavor for a low price.

We tried and ranked 13 fast-food double cheeseburgers based on taste and value. Erin McDowell/Business Insider We ranked double cheeseburgers from 13 fast-food chains to see which one reigns supreme. 7th Street Burger, the smallest chain, blew me away with its saucy smash burger. I thought…