Have you considered getting the groceries delivered from a real grocery store rather than Uber as per article? I normally get them delivered once or twice a week depending on need and the delivery price is considerably less than my "per hour worth". Also I don't run into things not being available at my local store, I don't buy things on impulse (leading to cleaner living, no crisps etc) and I can arrange for things even at only 30 hours before my chosen time slot.