On April 15, to celebrate the end of Tax season, Potbelly Sandwich Shop is offering customers a Buy One Sandwich, Get One Free of equal or lesser value all day.
To redeem, Perks members can use their Potbelly Perks account and non-Perks members can tell the cashier it is Tax Day when at check out.
Customers can join the Potbelly Perks program by downloading the app for Android or iPhone or by signing up for the free Potbelly Perks program online at Potbelly.com/Perks.