A handful of OTC dietary supplements may be useful for treating some chronic conditions in situations where prescription drugs are not available - but if you want to learn more, be prepared to wade through a sea of low-quality research and outright quackery. Preliminary but somewhat plausible findings include the apparent antidepressant properties of saffron and fish oil, the beneficial effects of curcumin on some types of chronic pain, or the utility of berberine and salacia reticulata in managing type 2 diabetes. Again, tread carefully; examine.com is a good starting point for getting the data behind some of the claims.
The fundamental rule is to not be greedy: within the scope of this guide, your goal should be to preserve capital, not to take crazy risks. If you are tempted to put your money into Tesla, Twitter, or some penny stock mentioned by your third cousin, you are not thinking straight. Pick about 10-20 boring companies that seem to be valued fairly, that are free of crippling debt, and that have robust prospects for the coming years. Stay clear of financial enterprises, of highly speculative sectors such as biotech or solar power, and of heavily regulated industries that lack the flexibility to deal with sudden economic shifts (say, airlines). Relatively safe picks can be found in no-frills domains: basic chemicals, staple electronic components, profitable freight railways, mechanical assembly manufacturing, home and office supplies, and so on.
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.