80/20 Market Selection

Use this skill to identify the small slice of a market most likely to respond, buy, and produce disproportionate value. It is based on 80/20 Sales and Marketing by Perry Marshall.

Source Traceability

Primary source: 80/20 Sales and Marketing, chapters 2, 3, 20, and 21.

• Chapter 2 introduces response-triggered market testing.
• Chapter 3 applies 80/20 to common sales frustrations.
• Chapter 20 covers polarized, highly responsive markets.
• Chapter 21 covers fast market research using buyer language and unanswered

questions.

Workflow

1. Define The Market Choice

Capture:

• Product or offer.
• Candidate segment.
• Buyer role.
• Urgent problem.
• Current alternative.
• Proposed proof of responsiveness.

If the segment is broad, split it into narrower groups before judging it.

2. Find Responsiveness Signals

Look for proof that buyers already move:

• Search queries for the problem.
• Social posts, forums, reviews, or communities using emotional buyer language.
• Paid offers, competitors, agencies, consultants, or tools already serving the

need.

• Budget, compliance pressure, deadlines, risk, or loss tied to inaction.
• Strong positive or negative reactions, not mild approval.

Do not confuse a logical problem with a responsive market. The question is whether buyers act.

3. Disqualify Weak Segments

Reject or downgrade segments when:

• They lack money or authority.
• The pain is not urgent.
• They do not believe the offer category.
• They cannot say yes without many blockers.
• The solution does not fit their current plans.
• Buyer language is vague or borrowed from the seller.

4. Pick The Testing Move

Choose the smallest action that reveals responsiveness:

• Landing page or offer smoke test.
• Direct outreach to a narrow list.
• Paid search or paid social micro-test.
• Community/listening sprint.
• Interview batch with problem-language capture.
• Waitlist, application, or hand-raise mechanism.

Output Format

markdown
# Market Selection Recommendation

## Candidate Segment
- Segment:
- Buyer:
- Urgent problem:
- Current alternative:

## Responsiveness Evidence
| Signal | Evidence | Strength |
|--------|----------|----------|

## Disqualification Check
| Factor | Pass/Concern/Fail | Notes |
|--------|-------------------|-------|
| Money | | |
| Urgency | | |
| Belief | | |
| Authority | | |
| Fit | | |

## Recommended Test
- Test:
- Success signal:
- Kill signal:
- Next segment if this fails:

Quality Bar

• Do not recommend a broad market without narrowing it.
• Do not treat polite interest as buyer responsiveness.
• Use buyer language, not seller language.
• Include explicit disqualifiers before recommending a test.
• Prefer observable action over stated preference.