Also forgot one more, adding more CCTV cameras. Might not help much in a long-term SHTF but for day-to-day stuff, I like to be able to see what's going on outside and record it also.

Got my DVR moved today to a different part of the house instead of the living room entertainment center, swapped up to a beefier power supply to run more cameras, and swapped one camera out to a day-night IR model for night vision.

Up next is to install 4 more cameras to give me roughly 270 degree view around the house and 1 VERY good image of the driveway. Not too worried right now about the other corner of the house as that's a cow pasture that wouldn't be easy to cross to approach from that direction.