There are balances to be had. Long ago when I worked in a grocery store, I could cut a watermelon into quarters, wrap each up in plastic, and slap a label on ea

There are balances to be had. Long ago when I worked in a grocery store, I could cut a watermelon into quarters, wrap each up in plastic, and slap a label on each of them in under 30 seconds. Those watermelon quarters each sold for more than double the price of an entire watermelon. Even if you include the time to bring watermelons to the back room, return the slices to the sales floor, and then the refrigeration costs and opportunity costs of using highly visible space for the slices, it was still a huge markup for what couldn't have been more than a minute of labor on average.