I geneally just whine a lot about code quality and post shit like this in the company slack for everyone else to see https://www.youtube.com/watch?v=9B8vPXPjzA0

At my Lidl they put the cheap pink salmon cans on the same shelf intermixed with the more expensive red salmon, so if you just grab a few without looking closely you’ll accidentally get some of the expensive ones. So scan the cheap one repeatedly while putting the others in the bag.