It will also allow the store to cover themselves when they scan a mispriced item at the till. When you go back to check, the shelf label will be that new price.
Item is $4.99 on the shelf and when you get to the checkout it is $5.29
Now times that by millions of items a year and the stores will be making millions. You will have no proof unless you take a photo of the price on the shelf.
No one is happy with the electronics, self-scans, or new shopping carts.
Nor the price increases. Bad produce, pushing Gates worms, or eating vegan. Chemicals are the #1 issue for many. I’ve dropped 20 lbs by changing my eating habits, and label reading.