TThe Diary of a CEO
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Sales

Rejection Conversion Math

Turn rejection into a measurable path toward enough attempts and better odds

Difficulty
Moderate
Time to result
~ongoing to results
Steps
5
Confidence
94%

Translate rejection into conversion arithmetic. If a current approach converts at 0.1%, the rough expectation is one success per thousand qualified attempts, not success from the first few conversations. Track approaches and outcomes so every no contributes to a real baseline. Use the volume to test small changes in targeting, message, and delivery, then update the conversion rate rather than treating the initial estimate as guaranteed. Koerner credits repeated door-to-door rejection with changing how he interpreted no and with giving him enough trials to iterate. The model reduces personalisation of rejection, but it is not permission to spam: the outreach must remain relevant, lawful, respectful, and economically sensible, and a long run of misses should trigger re-evaluation of the offer or assumed rate.

Origin

Extracted from The Diary of a CEO

Core principles

  • 01A no is one observation in a larger sample
  • 02Expected conversions require enough attempts
  • 03High repetition accelerates message testing
  • 04Conversion rates should improve through feedback
  • 05A failed batch can challenge the assumed rate

How to run it

  1. 1

    Define a qualified attempt

    Specify the audience, outreach action, and success event so attempts are comparable.

    Pro tip Exclude contacts that were never plausible buyers.

    Watch out Do not contact people without a lawful and appropriate basis.

  2. 2

    Set a provisional rate

    Use existing data or a small pilot to estimate the current conversion rate.

    Watch out An assumed rate is not a guarantee.

  3. 3

    Build the attempt budget

    Calculate the approximate volume needed to expect enough conversions for a useful test.

    Pro tip Budget time and acquisition cost as well as contact count.

    Watch out Expected value can hide wide variation in small samples.

  4. 4

    Test and record

    Track every result and vary one meaningful part of the approach across batches.

    Pro tip Use objections as input for the next message.

    Watch out Respect opt-outs and frequency limits.

  5. 5

    Update or stop

    Recalculate the rate and unit economics; improve, reposition, or abandon the approach when evidence warrants it.

    Watch out Persistence without learning is repetition, not iteration.

In the wild

Door-to-door repetition

Koerner describes spending two years approaching people in Hungarian during a church mission and being rejected many thousands of times. He says the repetition helped him see each no as part of a conversion process.

He later applied the same volume-and-iteration logic to business outreach.

Common mistakes

Treating an expected rate as certainty

One success per thousand is an average expectation, not a promise about the next thousand attempts.

Repeating without changing

Volume creates learning only when outcomes and variations are recorded.

Using maths to excuse spam

Conversion goals never override consent, relevance, law, or platform rules.

Is it for you?

Best for

Ethical outbound sales where outcomes can be counted and the target audience is well defined.

Not ideal for

Harassing outreach, prohibited solicitation, or markets where repeated contact imposes unacceptable harm.

From the transcript

Every no is closer to a yes.

Chris Koerner · (1:11:00)

I just need to keep getting rejected.

Chris Koerner · (1:11:30)

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