I already started coding. Is it too late?

No — but change the sequence: freeze scope, run discovery on the riskiest assumption, then align the backlog to what you learned.

Are compliments on the idea enough validation?

No. You need behaviour-change signals: a second meeting, payment, a letter of intent, or an expensive workaround today.

How do I know if the problem is recurring enough?

If pain hits once a year, your product must capture huge value per incident; otherwise retention becomes the enemy.

What if I cannot name the buyer?

Pick one economic buyer and their budget line before you write code — vague B2B/B2C often hides a missing decision-maker.

Is your startup idea dead before you write a single line of code?

An honest checklist to spot weak ideas early: problem depth, willingness to pay, and behaviour change — before you burn months in the repo.

The problem: quiet rationalisation

Most weak startup ideas do not die dramatically. They die politely.

A few friends say it sounds cool. A few strangers say they would try it. The founder opens a repo, builds a landing page, and mistakes motion for proof. Months later, the market delivers a verdict that was already visible in week one.

That is what this article is for: spotting the kind of idea that survives on optimism, not urgency — before code makes the mistake expensive.

Why it fails: “people like it” is not a signal

Founders overvalue compliments because compliments are easy to collect and emotionally soothing.

But “interesting,” “cool,” or “I’d use that” are not market signals. Real validation has a cost attached to it: money, calendar time, workflow change, internal advocacy, or reputational risk.

If nobody is paying a cost, your idea may be attractive as a conversation topic and still dead as a business.

A concrete method: seven signs the idea may not be real (yet)

1. The problem is occasional, not recurring

If buyers encounter the pain once a year, your SaaS must capture enormous value per event or you will starve on retention. Recurring pain creates habits; episodic pain creates churn.

2. The buyer is unclear

“I am not sure if this is B2B or B2C” often means no economic buyer is defined. Pick one primary buyer and name their budget line.

3. The alternative is “nothing”

If the alternative is doing nothing, you are not competing with inertia — you are hoping for curiosity. Curiosity does not renew.

4. The wedge is a feature, not a job-to-be-done

“It’s Notion but with X” is a feature story. A job story says: “When this situation happens, I need this outcome in this timeframe.”

5. You never price being wrong

If your pitch has no sharp trade-offs, you have not chosen a segment. Strategy is sacrifice.

6. Your only distribution idea is “SEO” or “ads”

That can work — but only after repeatable conversion on a narrow wedge. Generic channels amplify confusion.

7. You scratch your own itch with no external corroboration

Founder–market fit matters — but one data point is not a market. You still need external evidence.

Example: the fast test — who pays, when, and how much?

Answer in one short paragraph:

Who signs the contract or enters the card?
What do they stop doing once you exist?
When do they need the outcome?
How much is that outcome worth to them per month or per incident?

If you cannot answer without hand-waving, you are not ready to code — you are ready to interview.

What to do now: pivot, stop, checklist

Be harsher with the idea than the market will need to be.

Pivot if the pain is real but your wedge is wrong.
Pause if interest exists but nobody changes behaviour.
Stop if the buyer is fuzzy, the pain is occasional, and the current workaround is “nothing.”

Killing a weak idea early is not failure. It is how good founders preserve time, focus, and cash for a stronger one.