Double down on this deal from Taco Bell. For a limited time, get a Double Stacked Taco for just $1 at participating locations. Choose from Nacho Crunch, Cool Habanero and Spicy Sweet. Why double stacked? It’s made with a tortilla and crunchy shell, as the “outer wrap” with sauce in between. If you’re really hungry, add some food from its Dollar Cravings menu for a bigger meal without a big price.