And butter for about $0.25 per ounce (you might use .5 oz per sandwich.) EDIT: checked my butter in my fridge, you’re probably using 1/4 of an ounce per sandwich if that.
And none of these are in bulk, you can probably cut the cost in half or less buying even more generic products in bulk.
https://www.walmart.com/ip/Great-Value-White-Sandwich-Bread-20-oz/10315752?wmlspartner=wlpa&selectedSellerId=0&wl13=2588&adid=2222222227810315752_117755028669_12420145346&wmlspartner=wmtlabs&wl0=&wl1=g&wl2=m&wl3=501107745824&wl4=pla-306310554666&wl5=9005929&wl6=&wl7=&wl8=&wl9=pla&wl10=8175035&wl11=local&wl12=10315752&wl13=2588&veh=sem_LIA&gclsrc=aw.ds&&adid=2222222223810315752_117755028669_12420145346&wl0=&wl1=g&wl2=m&wl3=501107745824&wl4=pla-306310554666&wl5=9005929&wl6=&wl7=&wl8=&wl9=pla&wl10=8175035&wl11=local&wl12=10315752&veh=sem&gad_source=1&gclid=Cj0KCQiA6vaqBhCbARIsACF9M6lsjjxYststWrOt0rkEa2_jbKniaQPE8ehNZ5B7Ul3-XkKa2Qn68igaAn-EEALw_wcB
Here’s bread from Walmart for about $0.06 per slice.
https://www.walmart.com/ip/Great-Value-Singles-American-Pasteurized-Prepared-Cheese-Product-16-oz-24-Count/10452423?athbdg=L1600&from=/search
Here’s cheese for $0.10 per slice
https://www.walmart.com/ip/Great-Value-Sweet-Cream-Salted-Butter-16-oz/132893363?athbdg=L1200
And butter for about $0.25 per ounce (you might use .5 oz per sandwich.) EDIT: checked my butter in my fridge, you’re probably using 1/4 of an ounce per sandwich if that.
And none of these are in bulk, you can probably cut the cost in half or less buying even more generic products in bulk.
So about $0.25 of ingredients per sandwich + labor. Seems feasible.