"Prepping," or getting ready to live without societal support, is apparently a largely American activity, and a recent one. Companies that cater to people who want to be self-reliant for food, water, and power have grown their revenue by about 700 percent over the last decade, and prepper products are now offered in places like Costco, Kmart, and Bed Bath & Beyond.

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It’s impossible to carry all the food you will need for a week unless you’re eating very high density proteins like nuts.  Nuts and dried meat are two of the easiest off-the-cuff meals.  Canned food has a lot of water that is wasted during the cooking process.  Stay away from heavily flavored or salted nuts.  The amount of salt present in the unsalted nut mixes is still sufficient enough to replace electrolytes.
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