It’s not enough. Going to get to the point where we need concertina wire over a fougasse pit, punjii stick traps, and remote-detonated claymore mines around the perimeter of your house.
Dude! You mean you don’t already have that arrangement? Prep man, prep!
the thought of a bigger fence etc is fetching, but if you build a fort that no one can get into, HOW THE HELL DO YOU GET IT?.....you need to have open access to get out as well if SHTF..