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!

What I will do is recommend that you build your own First Aid Kit instead of buying one of those prepackaged first aid kits that claim to have 1001 things to get you through any emergency. While some are ok, in my experience these types of kits are usually filled with a lot of stuff you are unlikely to need and not enough of the things you will probably need a lot of.
A Bug Out Bag, also called a BOB, I.N.C.H Bag (I’m Never Coming Home Bag),Get Out of Dodge Bag (GOOD Bag), or 72 Hour Bag is usually designed to get you out of an emergency situation and allow you to survive self-contained for up to 3 days. A lot of people plan their Bug Out Bag to sustain them for much longer than that, but there is always a limit to what you can carry on your back and a 3 day target is a good place to start.
The whole point of a bug out bag is that it is ALWAYS packed and ready to go. In a true emergency, you might not have the time to throw those last few items into your bug out bag that you’ll really need. So, the short answer to this question is that the bag should be packed and ready to go at all times. But you should also be careful to regularly check any items in your bag that could expire or need replacement if they’ve been sitting for a while.
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Survival Kit  für die WildnisEin Survival Kit für die Wildnis ist meist kleiner als ein traditionelles Überlebenspaket oder ein Katastrophenschutz-Kit. Der Hauptzweck dieser Kits ist die Ergänzung aller bereits vorhandenen Werkzeuge und Ausrüstung.Zum Beispiel werden diese Kits mit Wasserfiltern, Feuerstahl, Taschenlampe, Paracord-Seilen, Erste-Hilfe-Material, einem Messer usw. geliefert. Diese Kits sind ideal für begeisterte Camper, Intercity-Reisende, Wanderer und Jäger.
When loaded and put on properly, your hips should carry the bulk of your pack’s weight. Because of this, extra padding in the hip belt can make a lot of difference. However, you should also make sure the hip belt isn’t so bulky that it ends up rubbing your hip bones or ribs uncomfortably. In an ideal world, your bug out bag’s hip belt should fit comfortably between the top of your hip bones and the bottom of your lowest ribs. 

The GR1 is a USA made backpack made to Armed Forces specs but with a civilian friendly design. The pack is a favorite among travelers, military personnel, law enforcement, hikers, emergency preppers, students, and of course GORUCK Challenge participants. This pack was specifically built for the Special Forces and has been used in Baghdad and New York City.(2)

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Some survivalists also recommend keeping a get me home kit in the car and/or at work. This is a kit to enable a person to get back home from work in an emergency where all transport cars and public transport have broken down. It is designed around personal circumstances where, for example, a walk of 25 kilometres might be required from work to home. The get me home kit can include, for example, enough water to get home, suitable walking shoes, a map (not electronic), enough food for 12 hours, clothing for adverse weather, etc.
Jene in unserem Vergleich und in anderen Survival-Kit-Tests verglichenen Exemplare allerdings sind seriös produzierte Produkte, die sich in schwierigen wie unerwarteten Situationen auf einem abenteuerlichen Wander-Ausflug bzw. Camping-Trip bewähren. Selbst auf einem mehrere Tage andauernden Festival (und auch bei kürzeren Reisen) kann ein Outdoor-Survival-Kit eine große Hilfe darstellen.
GPS is great but what happens when your battery dies, and you don’t have a portable battery handy? The compass is the one piece of survival gear that will never let you down. Sure, it can’t tell you if there’s a town nearby but it can prevent you from wandering aimlessly in circles. The Eyesky compass is designed specifically to help extricate you from emergency situations. It features conversion charts to measure distances, a rotating bezel ring to determine your heading and adjustable sight lines to plot your course. It’s also built to last. It will take you all of an afternoon to learn how to use the Eyesky compass and it may turn out to be the most valuable afternoon you ever spent.