26 Free Entree gift cards . Enjoy 'Free Smashburger Entree's for a Year. Receive a free Smashburger, Smash chicken sandwich or fresh salad with each card. Prices range from $5.99-$7.99 per entree. Expire 7/1/2016. Limit one coupon per person per visit. Not valid for alcohol sales. Not valid for online orders. Not valid with other offers or discounts. Taxes not included. No photocopies. No cash value. Offer valid at participating locations only.