Case Files

The money traps hiding in ordinary decisions

Most overspending is not a willpower problem — it is a handful of predictable psychological traps doing exactly what they were designed to do. Here is each one, named and explained, with the rule that interrupts it.

Case #001 · Self-licensing · $3,046/yr

Why "I Earned This" Quietly Costs You $3,046 a Year

"I earned this" is the most expensive sentence in personal finance. It feels like a reward. It bills like a subscription.

Case #002 · Mental accounting · $312/yr

Why a Sale Is Not Actually Saving You Money

A sale tells you that you "saved." But saving means the money moved to YOUR side of the table. That $312 lives in your closet, not your bank.

Case #003 · Payment decoupling · $1,183/yr

The Buy Now, Pay Later Brain Trap

"Four easy payments" hides one number your brain never adds up in a single breath: the total you never actually agreed to.

Case #004 · Anchoring · $294/yr

Why the Crossed-Out Price Is Bait

The crossed-out $90 was never a price. It is a ruler — placed there to make $49 feel like a rescue instead of a cost.

Case #005 · The pain-of-paying threshold · $2,551/yr

How $6.99 Subscriptions Quietly Cost You $2,551 a Year

Each charge is too small to cancel and too small to notice — priced under your alarm on purpose. Together they run $2,551 a year.

Case #006 · The decoy effect

The Useless Middle Price Is a Trap

Three options, and you 'chose' the middle one — the option that exists only to make the expensive one look reasonable. You were steered, not deciding.

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