Andrew Crossley

    Startup founder questions, answered

    The questions first-time founders ask before and just after they start building — validation, co-founders, frameworks and the mistakes that cost a runway cycle.

    How do I start a SaaS company?

    Start a SaaS company by choosing a narrow, expensive, recurring problem for a specific group you can reach, validating that they will pay before you build, then shipping the smallest product that solves it end to end. Get to first paid customer before hiring, raising or automating anything. Distribution — how you reach that group repeatedly — matters more than the software.

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    How do I find a technical co-founder?

    Technical co-founders come from people who already know you — former colleagues, communities you contribute to, and open-source or startup circles — far more often than from matching platforms. What makes them say yes is evidence: a validated problem, early customers, and a prototype you built yourself. In 2026, many founders should first ask whether they need a co-founder or a contractor plus AI tooling.

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    What mistakes do first-time founders make?

    First-time founders consistently build before validating, scope too wide, hire too early, price too low, chase funding instead of revenue, and measure activity instead of outcomes. Each individually is survivable. Combined, they burn a runway cycle before anyone learns whether the core idea works. The counter-move is uncomfortable focus: one segment, one problem, one metric, one channel.

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    What framework should founders use?

    Founders need one sequence, not a shelf of frameworks. A workable one: discover the problem, validate willingness to pay, prototype the flow, build the MVP, launch narrow, get first revenue, then scale what works. Borrow specific tools where they help — jobs-to-be-done for framing, opportunity solution trees for discovery — but a framework that produces artefacts instead of decisions is overhead.

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    How do you validate a startup idea?

    Validate a startup idea by testing willingness to pay, not enthusiasm. Run ten to fifteen interviews about what people did last time they faced the problem, then ask for a commitment — a deposit, a paid pilot, a signed letter of intent. Set your pass thresholds before you start. Two weeks of this routinely prevents six months of building the wrong thing.

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    THE FRAMEWORK

    The Crossley Method: idea to first revenue in seven stages

    See the full method
    1. STAGE 1DiscoverWeek 1
    2. STAGE 2ValidateWeek 2
    3. STAGE 3PrototypeWeek 3
    4. STAGE 4Build MVPWeeks 3-4
    5. STAGE 5LaunchWeek 5
    6. STAGE 6First RevenueWeek 6
    7. STAGE 7ScaleOngoing