Sunk Cost

Monday, August 24, 2026

A sunk cost is money you cannot get back. The trap is spending more just to avoid admitting it was not worth it. Ask “what’s best from here,” not “how do I justify the past?” Quitting can be a smart course correction, not a failure.

Sunk Cost:
Why We Keep Paying
for Things We Don’t Even Want

There’s a specific kind of stubbornness that shows up in money decisions.

You’re paying for something you don’t use. A subscription. A membership. A service. A course. A purchase that didn’t work out.

But you keep paying or keep using it anyway because of one thought:

“I’ve already spent money on this.”

This is one of the most human money mistakes we make. It even has a name: sunk cost fallacy.

And the reason it’s so common is simple: our brains hate waste.

Self Reflect

  • Are you currently paying for something mainly because you don’t want to admit it wasn’t worth it?

Sunk Cost Explained

A sunk cost is money you already spent that you can’t get back.

The fallacy is thinking:

“Because I already spent it, I should keep spending more.”

But the money you already spent is gone either way.

The better question is always: “What’s the best decision from here?”

Sunk cost is about the past. Good decisions are about the future.

"The Bad Movie"

You’re watching a movie. It’s terrible. You’re not enjoying it.

But you keep watching because:
“I already watched 45 minutes.”

That 45 minutes is gone. Watching another hour doesn’t recover it. It just adds another hour you don’t enjoy.

Money works the same way.

If you’re paying for something you don’t want, paying more doesn’t reclaim what you already spent. It just increases the total cost of your reluctance to let go.

Self Reflect

  • Do you keep going because you still believe it might “turn around,” or because quitting feels like failure?

Why Sunk Costs Matter In Real Life

Sunk cost decisions show up everywhere:

  • keeping a subscription you don’t use
  • staying in an expensive phone plan because switching feels like admitting you chose wrong
  • driving a car that’s bleeding money because you already invested so much in repairs
  • hanging onto items you don’t use because they were expensive

Sunk cost fallacy often leads to:

  • wasted money 
  • wasted time
  • emotional clutter 
  • delayed course correction

Common Traps and Myths

Myth 1: “Quitting means I failed”

Quitting can mean you learned.

Adults who live well are constantly course-correcting. They don’t cling to decisions to prove they were right.​

Myth 2: “If I just use it more, it will become worth it”

Sometimes that’s true. Sometimes it’s not.

The question is whether you want to use it going forward. Not whether you “should” use it to justify the past.

Myth 3: “I should keep it because maybe I’ll need it”

Maybe can be expensive.

Some “maybe” items are worth keeping. Many are just emotional insurance.

Myth 4: “This is rational because I’m avoiding waste”

It feels rational because you’re protecting yourself from regret.

But sunk cost thinking often increases waste by adding more spending after the first mistake.

What to Notice This Week

  • Where you’re spending to avoid regret. Not to get value, but to avoid feeling dumb.
  • Where you confuse past value with future value. They’re different.
  • Your “I’ll use it someday” list. Subscriptions, items, plans, commitments.

Self Reflect

  • If you didn’t feel embarrassed, what would you stop paying for?

The Takeaway

Sunk cost fallacy is not a sign you’re bad with money. It’s a sign you’re human.

The skill is learning to make decisions from today forward, not from yesterday backward.

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Hi.
I'm Christopher


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