Going to the grocery store around rush hour is a universally dreadful experience. You have to maneuver your cart around the tens of people rushing in every which way direction, tired from a long day at work and just trying to get home for dinner. No one is having a pleasant experience. And then you get to the checkout lines. The lanes are never all open at once, with lines piled up at each open register. You think about going to the self-checkout, but those lines are even longer. So, imagine yo…