If you've got a good set-up don't bug out. Do the Alamo thing and make them come to you. . . okay, bad example.

Getting caught in the open "camping out" would put you at a disadvantage. Staying home with your supplies (shelter food, water, ammo) is almost always a better option. All you need is a fortified shooting point with clear lines of fire. Are you on good terms with your neighbors?
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Better is the Enemy of Good Enough.
Okay, what’s your point??