@Milkfloat
I guess your not with it today, I self isolated, so three families who live in different houses would
not be at risk or put others in their homes at risk, I do all the travelling, shopping, collection pensions
and paying bills for them.
I then disinfect their orders, and leave their orders / food medicine sitting for a time, before I put it outside in a different collection area with different access routes for each, so the recipients never come into contact with each other.
Try thinking out of the box, and you you might just figure out why its better for one person
to enter the risk zones, while the others are kept as isolated as possible.