The full archive of SpendingError articles. Each one is the long-form version of a 45-second Short — the psychology, the mechanism, the real-world examples, and the fix.
You're scared of flying but not driving. Planes are 86x safer. The availability heuristic distorts your risk perception — and quietly drains your wallet.
You bought the stock. Now every article says it's going up. That's not luck — it's confirmation bias. Here's how it drains your money and how to fight back.
You got the raise. You bought the car. You took the trip. And you're exactly as happy as before. Here's the science behind the hedonic treadmill and how to step off.
You'd never pay $400 for that old guitar. But you refuse to sell it for less than $600. The endowment effect warps your pricing brain — here's how to fight back.
Bitcoin doubled in two weeks. Everyone's getting rich. You buy. It drops 60%. That's FOMO — and it's draining your wallet. Here's how it works and how to stop it.
You'd hesitate to spend $40 cash on lunch. With a credit card? You don't blink. The Pain of Paying explains why — and how to fight back.
Offered $50 today or $100 next year, 9 out of 10 people pick $50. Hyperbolic discounting hijacks your wallet — here's how to fight back.
One new couch ruined your entire apartment. The Diderot Effect explains why a single purchase triggers a chain of spending — and how to stop the spiral cold.
Your neighbor got a Tesla and your Honda suddenly feels embarrassing. That is social comparison bias hijacking your wallet. Here is how to fight back.
You'd never spend $300 on dinner. But with your tax refund? You dropped it in one night. Mental accounting tricks your brain into treating identical dollars differently.
Your brain hates losing $100 twice as much as it loves winning it. Learn how loss aversion warps your spending, investing, and everyday money decisions.
Small popcorn: $4. Large: $7. Medium: $6.50. You just bought the large — and that medium was planted there on purpose. Here's how the Decoy Effect works.
That $800 TV felt like a steal — because the $2,000 TV next to it was a trap. Learn how price anchoring hijacks your brain and how to fight back.
You pay $89/month for a gym you haven't visited since March. That's the Sunk Cost Fallacy draining your wallet. Here's how it works and how to stop it.
You just lost $847 this month — and you feel richer than ever. Lifestyle inflation quietly eats every raise you get. Here's how the trap works and how to escape it.