They are heavy, but if you are not backpacking it’s not a big issue. I find them expensive and I also don’t like the food in all but 2 or 3 of them.
For ready to eat food that doesn’t have to be cooked to eat, can food is better then MREs, its also heavy, but the taste is so much better. Can food like all food (including MREs) is better tasting heated. MRE’s have their own heater, you just add water to it and it warms up the pouch.
Freeze Dried food is even more expensive, you can spend $5.00 to $8.00 for a meal and still be hungry. They generally have a good flavor and are light weight and last up to 50-years.
My main storage food is the items you find at the local store. Can food, it’s not expensive and taste good and last a few years. Also I lay in a good supply of grocery store packaged food.
I use a magic marker to write the purchase (or if it has a best if used by date) on the can or package and rotate food to keep my supply fresh as I can.
I use freeze dried food more for backpacking, but also have some stored. But I tend to pull it out of storage and take it camping.
There is no real wrong or right answer as to what food to put away, as long as it palatable to you it works.
The important thing is not what to store, but rather that you do store some.
I just wish they still made caned bacon, I use to buy it at the local Kroger (Celebrity brand) but it disappeared several years ago.
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You can run, but you'll only die tired.