The processing time of applying in the store would be enormous there's a reason very few stores still use the price sticker gun to label items, it's time consum

The processing time of applying in the store would be enormous there's a reason very few stores still use the price sticker gun to label items, it's time consuming when there's already a tag on each item. Also in a number of places walmart and other stores literally just open a box provided by their sources and place it on shelves.