Be in this for the long haul. Effortlessly losing 1-2 lbs per week while slowly developing better habits is far more meaningful than starving yourself for a month to get immediate but short-lived results. Get an accurate bathroom scale, take daily measurements first thing in the morning, calculate key milestones, and put it all in a spreadsheet to keep yourself honest and motivated. It will probably take 6-9 months to get the outcome you want; daily or weekly weight fluctuations are almost completely meaningless, but you should be seeing a consistent and predictable biweekly drop.
The conundrum of owning stock is that it serves as a hedge against inflation only in an otherwise viable economy. At the first sight of serious economic trouble, the premiums paid on corporate stocks take a nosedive and not recover for months or years; in a genuine downturn, the intrinsic value of many companies will also shrink. Since a downturn is probably the time when you will need your rainy-day money the most, it's important to play it safe. Putting somewhere around 30-40% of your emergency stash into the stock market may be a good call. Going all in is a very risky bet, since in an economic crisis, it's not rare to see stock indices plunge 50%.
I don't usually write book reviews, but I feel like this is important. Book seems to have been written off the top of author's head, from memory. First, it is not "Long Term" survival at all. I have a lot of questions that I am searching for answers to, but there are areas that I am quite knowledgeable and experienced in and I found a number of careless errors in what is written in this book (particularly in food and medicine). This causes me to not trust the author's recommendations in areas I DON'T know about. Also, most information is not detailed enough to be much of any kind of guide for survival. I've seen other reviews complimenting Mr. Cobb on other book(s) he has written-regarding home defense-for the sake of those looking for accurate information for times of emergencies, he needs to stick with what he knows, or do better research before writing books that people might depend on for survival.
But to summarize, let's start with the eponymous threat of nuclear war. A typical ICBM strike is likely to kill most people within a 1 to 10 mile radius of the explosion, with most perishing due to the blast wave and intense heat, not gamma rays. In fact, as witnessed in Hiroshima and Nagasaki, when one sees a flash of light, ducking behind cover is quite likely to save their life. But more importantly, even an "all out" nuclear exchange with another superpower would leave most of the United States unscathed. It would also not turn the planet into a post-apocalyptic wasteland - at least not any more than the hundreds of nuclear tests already conducted in the twentieth century.
For folks interested in getting a nice, compact Geiger counter, Radex One ($120) is pretty hard to beat; it is tiny, inexpensive, and can be hooked up to a PC to continuously monitor the environment (and send e-mail or SMS alerts). The one caveat is that similarly to many other low-cost units, this device maxes out at 1 mSv/h - enough to know that something is very wrong, but not enough to tell if you're going to receive a life-threatening dose in an hour or somewhere within the next six months. In other words, some of the more hardcore preppers may want to invest in a more capable unit, such as ADM-300 (which goes all the way to 100 Sv/h) or RAD-60R (3 Sv/h). Decommissioned military and civilian devices in excellent working condition can be found on eBay for around $200.
Well, that's the bare minimum - but if you have a garage, a basement, or other unused storage space, I would actually recommend going a bit further and grabbing one or two 5 gallon cans ($18) per every household member. Although multi-week water outages are very unlikely, this simply gives you a more comfortable safety margin: if something goes awfully wrong and it becomes clear that help is not coming any time soon, you will still have time to look for alternatives or evacuate. A reserve also puts you in a better situation if it's unusually hot or if you have any urgent hygiene needs. The cans are very easy to use: wash them with a small amount of regular, non-scented laundry bleach, rinse, and fill up with tap water. Rotate the contents every 2-4 years or so.
Add any extras for your situation: For example, here’s our guide on prepping with food allergies and how to store EpiPens without power. Also consider special needs for pregnant women, small children, pets, people with disabilities or significant medical issues, etc. If you have poor eyesight, always have a pair of backup glasses and contacts in your emergency supplies.
The Ultimate Survival Kit is the perfect upgrade for your survival needs.  Built to be durable under the most extreme conditions this bag will hold the contents of any of our survival kits as well as extra clothing and other personal items that you will need in an emergency situation.  There are 6 external pockets for easy access to your supplies.  The laptop compartment makes this a great daily commuter bag.  External straps allow you to strap on extra supplies and gear.