Smashburger: Buy One Get One Free Burger Coupon (Must Use Snapchat)

First, head on over to Snapchat on your mobile device (or download the app for free from the Google Play Store or the iTunes App Store), log in or sign up for a Snapchat account and follow Smash.Snaps (just enter the name in the search box to find them).

Then, go to your stories and watch the Smash.Snaps story in your timeline. Keep your snapping fingers ready as you will need to screenshot the BOGO coupon.