What to do with "just in case" items
"Just in case" is not a description of the object. It is a story about a future you have never actually pictured in any detail — a vague, unstoried "what if" that feels too risky to argue with. Most other decluttering rules fail on this category for exactly that reason: you cannot apply a usage test or a sentimental test to a story.
Why this category resists every other rule
The one-year rule asks when you last used something, but a just-in-case item was never meant to be used regularly — its whole job is to sit there unused until a hypothetical day arrives, so a long idle stretch looks like success rather than failure. The duplicate test does not apply either, because there is usually only one of it. And it is not sentimental, so the arguments that work on a grandmother's letters do nothing here.
What is actually happening is a trade you never consciously agreed to: a small, certain, ongoing cost — space, visual noise, the faint background awareness that a drawer is full of things you cannot name — against a large, imagined, one-time cost of being caught without something. Framed that way the trade looks reasonable. The problem is that the imagined cost is almost never priced against reality.
The question that replaces the story
Do not ask "might I need this someday." The honest answer to that is almost always yes, for almost anything, which is exactly why it is a useless question. Ask instead: if I genuinely needed this again, how would I actually get one, and how bad would that be?
For most just-in-case objects the honest answer is a five-minute trip to a shop a few streets away, or a next-day delivery, for a few dollars. That is not a disaster worth years of storage rent. The story said "irreplaceable." The honest answer says "replaceable by Thursday for less than a coffee." Once you have priced the actual cost of being wrong, most of these items stop feeling like insurance and start feeling like what they are — an old decision nobody has revisited since the day it was made.
What genuinely earns the hedge
Some just-in-case items are not the problem, and it is worth naming them so you stop second-guessing the ones that pass. A spare house key held by someone you trust. A specific part a manufacturer told you to keep for a warranty claim, with the claim window still open. Medication or a first-aid item where the gap between needing it and getting it is genuinely dangerous, not just inconvenient. What these share is specificity: a named event, a real cost of being caught without it, and usually an expiry point after which even they should go.
What does not earn it: the third and fourth spare phone charger, the screws with no matching furniture, the takeaway container "for freezing soup," the exercise equipment "for when I get back into it," the cable for a device you no longer own. These are not insurance. They are a decision, postponed, wearing insurance as a disguise.
A test that takes five minutes, not a story
Pick one drawer, shelf, or box that has become the house's unofficial just-in-case archive. For every item, ask the replacement question out loud and sort into three piles: things where being caught without one would be genuinely bad and hard to fix quickly — keep; things you could replace cheaply and fast if the day ever came — let go; things you cannot even picture the day for — let go without further debate, because a scenario you cannot describe is not a scenario you are actually planning for.
Do this standing up, moving fast, saying the question out loud each time. The moment you start silently deliberating over a single screw, you have left the test and gone back to writing the story.
Why this pile is invisible until you go looking for it
Just-in-case items are uniquely good at hiding, precisely because being unused is not a symptom for them — it is the intended state. A jacket you never wear nags at you a little every time you see it in the closet. A spare part in a box in the garage does not, because it was never supposed to be touched, so its silence never reads as a problem. That is why this category tends to survive every previous decluttering pass untouched: nothing about it ever looked wrong.
A date attached to the item is what finally makes the silence visible. "I might need this" does not change whether you look at it today or in three years. "This has not moved in 900 days" is a different sentence, and it is the kind of fact that is much easier to notice on a list than to notice standing in a garage. This is close to what Kept's idle-days tracking is built for — nothing dramatic, just a quiet count that keeps rising until you decide to look at it, so the things kept "just in case" do not get to hide behind time the way they otherwise would.
What "done" looks like
Not zero just-in-case items — a house with none of them would be its own kind of impractical. Done is a much smaller, named pile: things you could say why you are keeping in one sentence, each with a real event attached, instead of a drawer whose contents you would struggle to justify individually if someone asked you to, one at a time, out loud.