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Market research before building an MVP: a practical plan for startup founders

Your MVP budget should buy learning as well as a usable product. Market research helps you choose which problem to solve first, which customers to reach and which assumptions to test. The objective is a smaller, more useful first build—not a longer feature list.

Define a reachable first customer

Avoid starting with everyone who could theoretically use the product. Describe a narrow segment with a shared problem, buying process and reachable channel. For a business tool, distinguish the user from the person who approves the budget. For a consumer service, identify the situation that makes the problem urgent.

Ask about recent behaviour

Ask customers to describe the last time they experienced the problem: what happened, what they tried, what it cost and who made the decision. These questions are more useful than asking whether they like your idea. Record contradictory answers too. Interview notes should capture observable behaviour, not only encouraging comments.

Compare alternatives and workarounds

Your competition includes spreadsheets, manual labour, informal suppliers and doing nothing. Compare the outcome, price, effort, trust and switching cost of each alternative. A feature comparison can miss why people stay with an inconvenient solution. Identify a specific advantage your first version can demonstrate.

Turn research into an MVP test

Choose one customer outcome and the minimum workflow required to deliver it. Decide which assumptions the pilot will test, the users you will recruit, the success measures and the next decision. Include onboarding and feedback collection in the scope. A live product without a learning plan can consume time while leaving the original questions unanswered.

An illustrative research-to-product example

Imagine a service for small retailers. Interviews suggest that missed supplier follow-ups cause more disruption than lack of a sophisticated dashboard. A first pilot might test a simple follow-up workflow with ten willing shops, measuring whether the workflow is used and whether missed follow-ups fall. The lesson is to test the customer outcome before investing in an elaborate analytics interface. This is a fictional example, not a client result.

What evidence is strong enough?

Evidence becomes more useful when it includes commitment: access to a pilot, repeated usage, a paid test or a buying decision. None of these alone proves product-market fit. Watch for repeat use, retention, willingness to pay and the cost of serving the customer. Explain the limitations of a small sample rather than treating it as the entire market.

Common mistakes and your next action

Do not interview only friends, lead people towards a positive answer or count a waitlist as paid demand. Keep an assumption register with evidence, confidence and the next test. Review the findings before approving the full build. Inflow can help connect market research, MVP scope and the business model.

Your action checklist

  • A narrow, reachable customer segment
  • Recent customer behaviour recorded
  • Alternatives and switching costs mapped
  • One MVP outcome and a pilot scope
  • Success measures agreed before building
  • A decision to continue, change or stop

Founder questions

How many customer interviews should I do?

There is no universal number. Start with a focused segment and continue until the important patterns and contradictions are clear enough to design a test. A small sample should be described as exploratory.

Does launching an MVP prove product-market fit?

No. Launching proves that a version can be made available. Examine continued usage, customer value, retention and willingness to pay before making stronger claims.

Further reading

Y Combinator — Startup Library (further learning) ↗

Inflow’s checklists and illustrative examples are editorial guidance. Refer to original sources and your professional advisors for decisions specific to your business.

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