Sign-up for the Arby’s Insider (select “GET DEALS” at the top of their menu bar).
For my birthday, I received a coupon by email for a FREE signature sandwich with the purchase of any soft drink.
The sandwiches I could choose from included: Reuben, Loaded Italian, Smokehouse, Brisket or any Gyro.
The coupon I received via email was be valid for 7 days.
Here is the Arby’s restaurant location finder for your convenience.