I began making my plans in late February, because I was listening to scientists and doctors talk on Twitter and was thinking, Oh god. Here was my plan, which I finalized the day before we went into self-isolation, March 7:

https://duskpeterson.dreamwidth.org/297424.html#cutid2

I and my companion are quarantined now - turns out we weren't quick enough to self-isolate :/ - but the plan worked out beautifully in terms of supplies. The only things I ended up having to buy (aside from regular groceries) were (1) a pulse oximeter and (2) chocolate. Lots of chocolate.