I hope this makes sense to you. It sounds like you have already figured out that with a growing teen and two additional children in the household, this will be a good start but that more will be needed over time. By doubling these quantities my guess is that you will be better prepared, food wise, than 90% of the population. And even without doubling the quantities, you will be better prepared.

FoodSaver Jar Sealer: Already have a FoodSaver? If so, check out this jar sealer which can be used to vacuum seal your Mason jars. This is a great option for short to mid term storage of items such as beans, rice, sugar and salt. Store your jars in a cool, dark place and you are set with the added advantage of removing a small amount for current use without having to disrupt your large Mylar bag or bucket of food.
Yup. Unintentional injury may seem like a topic unbecoming a true prepper, but it will be hard to live out a post-apocalyptic Mad Max fantasy with a bum leg or a broken neck; and more prosaically, serious prior injury may limit your ability to provide for yourself and your family, confront a robber, or get out of a burning home. It may seem like a far-fetched worry, but the lifetime probability of suffering serious harm is much greater than we intuitively suspect.
...what do I need to bring? How much can you realistically take with you when leaving by car, by bike, or on foot? What are the most important items, and will you be able to grab them quickly enough? To simplify things, would it make sense to maintain a small cache of supplies in the trunk of your car or at a friend's place - and if yes, what should be in that box?

Why do our dystopian urges emerge at certain moments and not others? Doomsday—as a prophecy, a literary genre, and a business opportunity—is never static; it evolves with our anxieties. The earliest Puritan settlers saw in the awe-inspiring bounty of the American wilderness the prospect of both apocalypse and paradise. When, in May of 1780, sudden darkness settled on New England, farmers perceived it as a cataclysm heralding the return of Christ. (In fact, the darkness was caused by enormous wildfires in Ontario.) D. H. Lawrence diagnosed a specific strain of American dread. “Doom! Doom! Doom!” he wrote in 1923. “Something seems to whisper it in the very dark trees of America.”

I suspect that we dismiss such hazards not only because they seem surreal, but also because worrying about them makes us feel helpless and lost. What's more, we follow the same instincts to tune out far more pedestrian and avoidable risks; for example, most of us don't plan ahead for losing a job, for dealing with a week-long water outage, or for surviving the night if our home goes up in smoke.

All right. Financial systems are messy. Fiat money and fractional-reserve banking, although wildly successful, can fail in interesting and horrific ways. Foreign trade, neglected here but absolutely vital for most European countries, adds even more variables to the mix. So, let's talk about what can be done to protect your rainy-day funds against some of the most likely or most talked-about risks.
For a while they became my primary source of income, and every single time I was hired by a company that catered to the survivalist market, not a traditional publisher. Each time, the company's name would be listed instead of an author. There are thousands of prepping guides available on Amazon right now— 2,849 in the "Survival and Preparedness" category alone and 4,214 matches for the keyword "prepper" across categories—and only a small percentage are produced by dedicated book publishers. Companies that sell survivalist products and services produce the lion's share, and on any given day, if you peek at freelancing sites like Upwork, you'll see at least a couple of ghostwriting projects dedicated to survivalism being advertised.
Since then, the direction has been inauspicious. In January, 2016, after increasing military tensions between Russia and NATO, and the Earth’s warmest year on record, the Bulletin set the clock at three minutes to midnight, the same level it held at the height of the Cold War. In November, after Trump’s election, the panel convened once more to conduct its annual confidential discussion. If it chooses to move the clock forward by one minute, that will signal a level of alarm not witnessed since 1953, after America’s first test of the hydrogen bomb. (The result will be released January 26th.)
This option requires the least amount of work and time investment. You can stock up on these regular sized cans on each trip to the grocery store for one of the easiest ways to build a stocked pantry. Grocery cans range in size from 12 ounce cans to #2.5 cans, so you have different portion sizes to choose from. There is a big variety, they are widely available, and they are cheap- so they naturally are a good choice for those looking to begin prepping. Canned meats, vegetables, and fruits are all great building blocks for a food stash. Check the labels for calories and nutritional value, and try to get high calorie cans as well as balanced variety of nutritional values. Some cans label multiple servings inside the same can, so you may need to do a little math to get the total values. Ready-to-eat canned foods are good to have around for small disasters since they are less of a hassle to prepare. You can concentrate on more important matters if you just heat and pop open a can of soup or chili.

Lifeboat survival kits are stowed in inflatable or rigid lifeboats or life rafts; the contents of these kits are mandated by coast guard or maritime regulations. These kits provide basic survival tools and supplies to enable passengers to survive until they are rescued. In addition to relying on lifeboat survival kits, many mariners will assemble a "ditch bag" or "abandon ship bag" containing additional survival supplies. Lifeboat survival kit items typically include: