Learning to cultivate the land and live from it without depending on income and buying food is in and of itself something you can practice, with the benefit of

Learning to cultivate the land and live from it without depending on income and buying food is in and of itself something you can practice, with the benefit of greater health and reduced cost of living. The "benefit" of being "prepared" for doomsday is at best secondary to that. I find i fascinating that I produce the best tasting peas in my garden, and it all originated from a small pea my son got from school. If I give a single pea to a modern person in the city, they most likely wouldn't have any idea of what to do with it.