If you are bugging in over the long-term, you will need a water-collection system of some kind. A rain barrel is the simplest option. Be sure to have at least one or two of these on your property and you can capture rainwater. Even if you live in an apartment with a balcony, you can use a rain barrel to collect water. Just don’t catch it as runoff from the roof as most roofing tiles contain chemicals that can contaminate the water.
In the early ’80s on a job for the State Department to reinforce U.S. embassies and consulates following the 1983 Beirut barracks bombings, Pense says he and other government contractors around the U.S. converged on CIA headquarters at Langley, Virginia. The consortium of engineers traded notes and decided that the U.S. power grid was vulnerable. Inadequate, Pense says, compared to everything that’s been hung on it, and that was three decades ago. Three high-altitude electromagnetic pulses (EMPs) could take the whole thing down. Like New York City’s 1977 blackout, looting and pillaging would rule the streets, and that’s if they can get the lights back on quickly enough—if the power stays off for too long, order is lost forever. 
I only recently got a cabin stove after a recommendation from another prepper as a way to cook without power or gas. Sure, it’s pretty easy to make a fireplace outdoors with bricks and place a grate over the top, but fire stoves are an innovative tool to regulate cooking temperature, boil water and cook meals indoors. Because of their enclosed design and external chimney, you can fix one indoors with a chimney leading to the outside and have an off-grid cooking platform indoors.
"Why stock this Mountain House meal? If the electric grid went down due to a solar flare, people would attack our stores and you would be out of food in several days. If you don't carry cash, it would be impossible to purchase things with a credit card. In short, I believe this could be a lifesaver and the best thing is that the food is delicious!"
Canned meat: Get about 20 cans of assorted meats. Without refrigeration it will be hard to keep meat from spoiling, and that’s if you can get it in the first place. There are quite a few options, SPAM, Ham, Beef, Chicken, Tuna and sardines, but remember buy what you eat now. Also make sure you have a manual can opener, your electric can opener might not work.

Since people began building fallout shelters during the Cold War, canned nonperishable food has been recognized as great to have around when the going gets tough. Freeze-dried food and MRE (Meal, Ready-to-Eat) military rations with years of shelf life are also good options that take up less space per available calorie. [Doomsday Facts (and Fictions)]
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