High-impact, fast, and survivable with a plan: detection, escape routes, and the documents you grab.

Concrete moves that lower your Vulnerability. Add any of them and we'll track it as an action on your threat list.
PrimerA modern room goes unsurvivable in about three minutes. You don't win a house fire during the fire; you win it months earlier, with alarm placement, one rehearsed way out, and a closed door.
Reality-CheckBug-in vs bug-out is usually framed as a preference. For a handful of threats it isn't one — and you need the plan anyway, even if you never intend to leave.
Add it to your personal threat list, score it for your own household, or pull the real hazard data for your county.