Taco Bell is offering a free Doritos Locos Tacos when you order ahead using the app.

The Fine Print

Purchase not required.
Eligible for Doritos® Locos Tacos only, supreme and customizations not eligible.
Total discount capped at $10.
Available at participating locations for app pay ahead orders only.
Check your local Taco Bell store for availability.
Offer redeemable once.
May not be redeemed with other offers.
Limit: one (1) coupon per consumer.
Void if copied, transferred, reproduced and where prohibited or restricted.
Cash redemption value 1/20 cent.
Subject to availability; no substitutions.
Tax extra.
Offers may vary.
Internet distribution strictly prohibited.