I had a hard-knock lesson on preparedness when our small valley made international news in 2013 during a thousand-year rain event. Small mountain community transported to the 16th century overnight and cut off for days from all communication, resupply or aid. We literally were providing medical care by candle light in the gymnasium after the scrounged fuel ran out.
IMO most people prepare for the wrong things. LGC is a gun community so of course we're aware and conscientious about that portion of our preparedness. But natural disasters, supply shortages and utility interruption are way more likely than the Walking Dead, red-hat version
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Have backup sanitary water, as well as the means to make more. Propane lasts a LONG time and has lots of uses. Have non-perishable food, but don't fall for the pallet of MREs adverts. GET IN SHAPE to a reasonable level. Have important meds, robust first-aid supplies, and the training to use them. Plan for lighting, cooking, shelter/heating, and sanitation. Mostly: have a plan! We didn't have a genny, so we had to eat everything in the fridges first. No problem, we cooked for the whole neighborhood with the brewery burners and propane while others were cooking on fires and rocks. If you have a chest freezer for game or the like, then yeah you'll need a genny to preserve it. But a good full freezer will stay cold for a good amount of time if it's kept on the full side and you're not opening it al the time. Hell we had several kegs still cold when we evacced on day 5 or 6 (though a lot less full than when we started!).
While things were tense here and folks were definitely rolling armed, it was mostly very civil and we all came together in an amazing way. Some folks got all militant when they announced that the Town was being closed (everyone had to leave and not return for unknown period of time) things got a little dicey, but we all were under a great deal of stress and in the end everyone put shoulders to the wheel and helped each other out. Honestly is was the recovery in the following years that has been the most divisive, but the guns stayed in the safes for that part
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