▸ THE BROAD ONE

HOW TO STOP IMPULSE BUYING BEFORE IT HAPPENS

Impulse buying is a purchase decided in the moment rather than planned in advance. It is not usually a knowledge problem — most people already know they shouldn't buy the thing. The two interventions that actually work are removing access during the hours you're most likely to buy, and putting a fixed delay between wanting something and owning it. Sale Armor does both: it blocks shopping apps on a schedule you set, and holds anything you still want for three days before asking you once whether you meant it.

Willpower is the wrong tool for this job

You already have self-control. You demonstrate it at eleven in the morning on a Wednesday, when you are busy and alert and nothing is on sale. The purchases you regret did not happen then.

They happened at one in the morning, or two hours after payday, or on the second day of a sale you didn't know was on until an app told you. Willpower is a resource that runs down over a day, and impulse buying is very good at finding the hours when yours has already run out. Asking yourself to try harder is asking a tired person to be less tired.

Step one: find your windows

Look at your last twenty online orders and read the timestamps rather than the items. Almost everyone finds a shape in them. Common ones:

• Late at night — after about ten, when the day is over and nobody is going to ask what you're doing.
• Payday and the day after — while the balance is at its highest and the money feels like a reward.
• Sale events — 11.11, 12.12, Black Friday, Cyber Monday, and the day the app starts counting down.
• Bad days — the ones that aren't on any calendar. See retail therapy.

You do not need to fix your relationship with money in general. You need to be unreachable during four or five specific windows.

Step two: make the shortest path longer

Every shopping app is built to shorten the distance between an impulse and a completed purchase. Saved cards, one-tap checkout, saved addresses, buy-now-pay-later. The industry has spent twenty years removing every second of friction between the two, and it worked.

Deleting the apps is the blunt version and it fails for the usual reason: reinstalling takes fifteen seconds, and at one in the morning you have fifteen seconds. What works better is a block you cannot argue with in the moment, because you set it up on a different day, when you were the version of yourself who wanted it set up.

Step three: buy it later, on purpose

An outright ban fails too, because sometimes you genuinely need the thing. The workable version is a delay. Write down what you were about to buy, then look at it again in three days. Most of the time you will not want it, and the useful part is that you no longer have to be the person who decided — the delay decided.

This is the three-day rule, and it works because desire for a specific object is far more perishable than we assume while we are feeling it.

How Sale Armor does it

Sale Armor is an iPhone app that automates the three steps above. You pick your windows once — late nights, paydays, sale dates, or a guard you arm by hand when a bad day starts. It uses Apple's own Screen Time to shut the shopping apps you chose while the window is open, with the app closed and nothing for you to remember. When you want something anyway, you park it instead of buying it, and three days later it asks once. Everything you turn down is added up as money you didn't spend.

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