In 1980, John Pugsley published the book The Alpha Strategy. It was on The New York Times Best Seller list for nine weeks in 1981.[10][11] After 28 years in circulation, The Alpha Strategy remains popular with survivalists, and is considered a standard reference on stocking food and household supplies as a hedge against inflation and future shortages.[12][13]
Radio transceiver, standard VHF marine when operating near inland shore, 121.5 MHz AM VHF guard channel capable aircraft band transceiver to contact rescuers and high overflying commercial and military aircraft visible by contrails, an optional amateur radio if a licensed radio amateur, (see Ham Radio) or an AM/FM/Weather/Shortwave radio receiver to receive precise time for celestial navigation as well as weather information
Double stitching, ventilated, breathable mesh and durable cord pulls are the order day with the Reebow Gear backpack. It’s all about utility which makes it an ideal piece of wilderness survival kit. Most everything that’s been included in this survival gear list will fit easily into or onto this survival backpack and still leave plenty of room for essentials like food, extra clothing and first aid materials. It shouldn’t be confused with a heavy duty mountaineering backpack. But it is perfect for those long weekends in the backcountry tracking elk or cross-country skiing. Best of all you can have it for a virtual song. Essential survival gear at an affordable price.
While survivalists accept the long-term viability of Western civilization, they learn principles and techniques needed for surviving life-threatening situations that can occur at any time and place. They prepare for such calamities that could result in physical harm or requiring immediate attention or defense from threats. These disasters could be biotic or abiotic. Survivalists combat disasters by attempting to prevent and mitigate damage caused by these factors.[30][31]

To me, the best option is to store emergency food. How much? If you have none, store enough for a few days. If you have enough for a few days, get enough for a week. How much you store depends on what time frame you think you're at risk for having to be completely independent. The early settlers of the southwest liked to store enough food for a whole year and still do to this day!