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Joao Zorro

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  • customer interviews for startups
    Validation

    How Many Customer Interviews Do You Need?

  • market research for startups
    Validation

    Market Research for Startups

  • bad startup ideas
    Validation

    Signs Your Startup Idea Is Bad

  • startup validation timeline
    Validation

    How Long Should Startup Validation Take?

  • How Many Customer Interviews Do You Need?

    How Many Customer Interviews Do You Need?

    One of the most common questions founders ask is: How many customer interviews should I do? Unfortunately, there isn’t a magic number. You don’t need 100 conversations. But…

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    Joao Zorro

    June 22, 2026

  • Market Research for Startups

    Market Research for Startups

    Many founders confuse market research with endless reading and analysis. They spend weeks collecting information but never make decisions. Done correctly, market research helps you understand your market,…

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    Joao Zorro

    June 21, 2026

  • Signs Your Startup Idea Is Bad

    Signs Your Startup Idea Is Bad

    Not every startup idea deserves to become a business. That’s not bad news. In fact, recognizing weak opportunities early is one of the most valuable skills a founder…

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    Joao Zorro

    June 21, 2026

  • How Long Should Startup Validation Take?

    How Long Should Startup Validation Take?

    One of the biggest mistakes founders make isn’t building too early. It’s validating for too long. Many founders spend months researching, thinking, and consuming content without ever making…

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    Joao Zorro

    June 18, 2026

  • How to Validate an MVP Before Building It

    How to Validate an MVP Before Building It

    Many founders misunderstand the purpose of an MVP. They think the goal is to build quickly. It isn’t. The purpose of an MVP is to reduce uncertainty. Unfortunately,…

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    Joao Zorro

    June 17, 2026

  • How to Pre-Sell Your Product Before Building

    How to Pre-Sell Your Product Before Building

    Most founders think they need a finished product before they can make money. They don’t. In fact, some of the strongest forms of validation happen before anything is…

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    Joao Zorro

    June 17, 2026

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Joao Zorro

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