Sandwicherías have been the main competitors to foreign fast food chains such as McDonald's, Burger King or Subway in Tucumán, with some of them selling as much as 500 sandwiches per night.
Sandwicherías telah menjadi pesaing utama rantai makanan cepat saji asing seperti McDonald's, Burger King atau Subway di Tucumán, dengan beberapa dari mereka menjual sebanyak 500 roti lapis per malam.