There’s nothing like the unique brand of stress that comes with using a store’s self-checkout . Not only do you have to scan and bag everything by yourself, you have to deal with the whims of a temperamental retail robot and sometimes stand there for minutes at a time waiting for an actual staff member if things go wrong. Mistakes happen often, but they’re not always unwelcome. When @reecebrierley1 went to get groceries, he probably wasn’t expecting any of his items to be alive. Yet in a video …