 Check this out. Costco is now selling food buckets that seem to be tailor-made for an extinction event survival readiness. The ReadyWise Emergency Food Supply Bucket contains 150 freeze-dried food servings and has a 25-year shelf life. It provides over 25,000 calories and various freeze-dried meal choices. The Emergency Food Supply Bucket lists online for $80, but you can get for less at some stores at the Costco stores.