The exposure rules are all over the place now, but I reckon if you're still testing negative and have no symptoms, and go out masked, you could be fairly confident you're okay to pick up food or see people.

The shop might even bring it out to you, if you are really worried. Car to boot stuff seems to have survived here.

How was there not oodles of leftover paint?

I get that it's not always possible to dodge illness, but three times since Xmas? That's concerning.

Probably hasn't fully recovered from the first ick, letting the other icks slip in. :(