I was expecting some fun UI exploits like getting a negative bill for removing all the ingredients on a burger, and adding that up to pay for an actual burger [

I was expecting some fun UI exploits like getting a negative bill for removing all the ingredients on a burger, and adding that up to pay for an actual burger [0], sadly nothing like that. [0] https://www.delish.com/food-news/a27091162/mcdonalds-kiosks-free-burger-hack/ https://www.delish.com/food-news/a27091162/mcdonalds-kiosks-...