Canning food in glass jars is not my first preference, because they smash, but for many people it will be the only option, especially right now, and boy oh boy does it gives you flexibility when it comes to surviving off of what you can hunt or fish or grow. Canning is easy and safe if you follow the rules.
Long Term Food Storage (How I Mylar)
Don’t get scammed by the “survival food” suppliers. Get the most bang for your buck in true calories per dollar, and how to store it.