Live near a Moe's Southwest Grill? Get $10 Off Your Next Purchase when you use promo code 10OFF at checkout! Even better, if you spend less than $10 (just select 3 tacos) this will make your order completely free. Note that you must use their mobile app to be able to use the promo code. Be sure to select store pick-up to save on delivery fees. This offer is valid for a limited time only.