Customers can try this ordering hack both in-store and online via the Jimmy John’s website or mobile app. "There's a lot going on with it, but like fundamentally there's nothing tricky with it ...

I ordered a tuna sandwich from Subway, Jimmy John's, and Jersey Mike's to see which big-name chain makes the best classic sub. One stood out.

I set out to try classic subs from Subway, Jersey Mike's, and Jimmy John's to see which popular chain ... were also included in the photo on the website. My 7-inch sub cost me $11.57.