Update: I called the voter protection hotline who connected me to the county elections office. Both confirmed that my mom should be able to vote. I’ve sent her to a different voting site. The elections office is following up.

Plastic wrap, tin foil, laundry soap/supplies.
Lamp.
Extension cord. (Maybe an outlet tester?)
Enough cooking/eating utensils to hold you until your stuff gets there (2 plates, mugs, glasses, forks. Saucepan, frying pan)
Basic food supplies.
Chargers for electronics?
Bedding? (Sheets etc)

If your library has Hoopla, check there before buying - mine (in US) has K-9 season 1 available to stream.

Also, if you can get a prescription from your doctor, you can buy larger quantities at a time. Usually not covered by insurance, unfortunately.

Finder by Suzanne Palmer, and sequels
+1 to many of the other suggestions

Now I want to know: if the Doomsday Caterpillar eats the Great Space Carrot, is the Caterpillar still HUNGRY?

The thing I am still angry about is that NOBODY TOLD ME not to schedule it around PMS time. Your boobs are going to be extra sensitive.
Duh.

Feels obvious but just in case you haven’t read them - Sanderson’s Cosmere books? Plenty of spectacle!
(I started these recently and have been pleasantly surprised.)