For the last thirteen years, I have lived in a little house. Even as my family grew, it has remained more than enough space for us all. Below the house is a basement. The majority of it is merely crawlspace, but about a quarter of the house’s footprint is a true, standing-height space. After some years of observation and optimization, we’ve managed to make it a functional, long-term storehouse. Shelves like library stacks line the edges. There are two freezers. On and within them is a year of food and supplies. These are the things our household actually uses up...