Ha ha ha, Mrs B!
Mrs Growster also suggested something similar, then suddenly dropped the idea when I suggested that she could ride on the back as well...
Last year, during 'lockup', I did a neighbour's shopping at the same time as our lot, and got back quite comfortably. The surprise came when I found that I could hardly lift the panniers off the back as they were so heavy, so that little 40volt motor really did make a difference!
I've got another heavy load to consider today, and will look outside when it's light, as potholes don't help small wheels...