There are many reasons to plant a hedge row instead of building a fence such as:
The get home bag, holding the gear to get you home and not mark you as a crazy person or target, should also be functional during daily life. Honestly, if you are not functional during daily life then you need to talk to someone about it. I will focus on getting home from work since most of us spend the majority of our waking time there. This can still work for other situations, the point is to critically and tactically think about the situation and the location. Hopefully this will help you get started on that path.
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.
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.