You can get a refund or have your sandwich remade if it's incorrect.
Most subway locations accept credit cards and mobile payments.
Expect a 5-10 minute wait during peak lunch hours.
A few nearby places worth checking next.
I have been using it now for 3 months and it saves me so much research. Reduces the need to call and double check every time.
How did I not know these places existed?! Atly's scoring is a lifesaver, now I can finally find THE spot without wasting time Googling my life away.