If you buy one, make sure you train with it. Just basic safety and target shooting. People think they can just have something on a shelf and grab it in an emergency but that is dangerous for them and those around them.

Also want to throw out building a garden if you have some dirt and networking with like minded people.

Could the excess sodium used for carbon sequestration? Sodium bicarbonate is baking soda but I don’t know what it could be used for aside from baking or if the energy to capture that carbon would even be a net positive.