The mobile radio is a tried and true method for communications in the field. Modern technology has increased range and clarity while also allowing for add-ons like voice scrambling. The FCC regulates and licenses some of the more "prime" radio frequencies, but with the demise of UHF Analog Television Broadcast, there are now other frequencies that are available.
The venerable axe is arguably the most useful tool anyone can own. With proper care an axe head can last for multiple generations. You can routinely pick up axes for around $10 at flea markets, estate sales and the occasional yard sale, but we recommend the estate sales. While you are there look for a decent chainsaw if you don't already have one. In one instance we saw a $450 Husquavarna chainsaw go for $30.
This mini-kit is made for the day user. Short trips, within urban or well traveled areas. By adding a supplemental kit to it, it's capabilities can be expanded.
Brewing beer is actually quite easy and, its a free (as in beer) pastime. Yes the supplies might cost money and time, but the methodology is as old as civilization; thusly public domain. The basics are simple and provide a means of making good beer that you can enjoy, share and trade.