I agree, I'd rather defend my neighborhood than some far away shack in the mountains. On that note, a road block probably isn't a bad idea. Used 18-wheeler tires are good for that purpose because they are easy to maneuver into position (they roll), you can fill them with dirt, sand, gravel, or concrete to make them more permanent, rifle round bounce off them, and they are FREE from your local tire dealer.

On equipment: You get what you inspect, not what you expect.
On training: Our drills are bloodless battles so that our battles are bloody drills.
On tactics: Cheating just means you're serious about winning.