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Opportunity selectionDemand First Research

What SaaS should I build? Start with pain, purchasing power, and reach

Choose a SaaS market using painful frequency, purchasing power, audience reach, and founder advantage—then test the proposition before writing the product.

Short answer

Build SaaS for a specific group that has a frequent, costly problem, the authority and budget to solve it, and a channel through which you can reliably reach them. Add your own access or insight advantage, then test a narrow priced proposition before committing to the build. Do not choose from a generic list of trending app ideas.

Score the market before you score the idea

A clever product in a weak market is still difficult to sell. Evaluate the buyer environment first, because pain without budget, budget without urgency, or urgency without reach can each stop acquisition.

Opportunity screen

Market quality = painful frequency × purchasing power × reachable concentration × founder advantage

This is a ranking aid, not a scientific formula. A near-zero factor should force investigation before high scores elsewhere create false confidence.

Questions for screening a potential SaaS market
FactorEvidence to look forWarning sign
Painful frequencyRecent recurring failures, delay, risk, or manual costAspirational improvement with no deadline
Purchasing powerExisting budget, approved category, or measurable economic ownerUsers love it but cannot authorize spend
ReachConcentrated roles, communities, lists, events, or search intentThe buyer can only be identified after expensive broad advertising
Founder advantageDomain access, distribution, data, credibility, or unusual insightThe market is known only through online summaries
Competitive openingA neglected segment, workflow, geography, or buying modelThe only difference is more features or a lower price

Find candidates in repeated, expensive work

The strongest starting points are usually not product concepts. They are repeated events where a defined buyer loses time, revenue, margin, compliance confidence, or customer trust—and already attempts to recover it.

  • Ask operators which spreadsheet, inbox, PDF, portal, or reconciliation task they dread every week.
  • Look for revenue leakage, rejected claims, disputes, missed deadlines, handoffs, and evidence collection.
  • Study services and agencies people repeatedly buy; manual fulfillment can reveal an outcome worth productizing.
  • Inspect where regulation, marketplaces, or platform changes create a new mandatory workflow.
  • Read negative reviews for established tools to find segments whose operating model is poorly served.
  • Use search and community language to find problems, then verify them with qualified people rather than treating posts as market size.

Turn the candidate into a one-sentence offer

Offer frame

I help [specific buyer] get [valuable outcome] without [current effort, delay, or risk].

Then add a price hypothesis and market. If you cannot fill each field with evidence, the idea needs more research before a landing-page test.

Examples of broad ideas turned into testable propositions
Too broadTestable hypothesisStill needs proof
Project management for businessesFor residential renovation contractors, surface stalled customer decisions before they delay the next site dayFrequency, buyer, reachable channel, and price
AI finance assistantFor German construction finance teams, draft evidence packs for disputed invoices from job recordsData access, legal workflow, time saved, and willingness to pay
Logistics dashboardFor Nigerian third-party logistics operators, reconcile carrier invoices against delivery records before weekly settlementData quality, budget owner, alternatives, and margin impact

These examples are hypothetical and do not claim validated demand. Their purpose is to show how a buyer, event, outcome, and alternative make an idea testable.

Rank a shortlist with disconfirming evidence

  1. Create three to five market hypotheses

    Keep the mechanism flexible. A market problem may support software, a service, a workflow integration, or no viable business at all.

  2. Score with evidence links

    For every pain, power, reach, and advantage score, attach an interview note, observed workflow, budget reference, channel list, or other source. Unsupported numbers are decoration.

  3. Write the fastest rejection test

    Ask what would make you discard each candidate within a week: no recent pain, no budget owner, inaccessible data, unreachable audience, or price below viable delivery cost.

  4. Test the highest-information candidate

    Do not automatically choose the highest optimistic score. Prefer the candidate whose biggest uncertainty can be tested quickly with the intended buyer.

  5. Preserve the losing evidence

    A rejected segment or price is reusable market intelligence. Record why it failed so the next idea does not restart from anecdotes.

Include founder-market fit without making it mystical

Founder-market fit is practical leverage: access to buyers, credibility in the workflow, privileged distribution, proprietary inputs, or the ability to deliver the result manually. It is not proof that your favorite idea has demand.

  • Can you name 20 qualified people you can contact without buying a broad ad audience?
  • Do you understand the event that triggers purchase and the person who signs off?
  • Can you produce a useful first result manually before automating the entire workflow?
  • Can you access the data or system the product would need without assuming an unavailable integration?
  • Can you explain why this segment should trust you with a costly or sensitive process?

If the answer is no, you may still pursue the market, but acquisition time, trust building, and integration risk belong in the opportunity score.

Make demand earn the build

Once one candidate survives the screen, turn it into a controlled proposition with a real price and a meaningful action. Use the SaaS idea validation protocol to define the test and the methods comparison to choose the cheapest evidence capable of changing your decision.