An elderly friend of mine who lives alone keeps his most used dishes in the dishwasher. Need a clean dish? Find one in there. Have a dirty dish? Put it in the d

An elderly friend of mine who lives alone keeps his most used dishes in the dishwasher. Need a clean dish? Find one in there. Have a dirty dish? Put it in the dishwasher? Can't find a clean dish? Run the dishwasher. Maybe not quite efficient from a water/energy/soap perspective. But efficient for his time and attention.