This article only takes into account the effects of a nuclear EMP and not a solar flare. A solar flare will impact just about grid-connected electronics.
1. Will a microwave work
There are so many projects that you can do on your homestead. Have you considered DIY projects with PVC pipes? There are a number of things that you can do
During the great depression when the dollar collapsed, basic items became currency. Any trip to the market would be better accompanied with items such as tobacco, or alcohol to be used