What about a raspberry pi + thermal receipt printer? You could have a way (or several ways) to add items remotely and automatically sort items and then print th

What about a raspberry pi + thermal receipt printer? You could have a way (or several ways) to add items remotely and automatically sort items and then print the list just as you’re about to head into the store. And with thermal receipt tape you could mark off that you’ve got the item in your cart with your fingernail.