Andrew Crossley
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    Notes on AI Product

    Essays on AI product management, fractional CPO engagements, and the idea-to-MVP process.

    1 August 2026 · 7 min read

    What Is Coffee to Customer?

    A practical business session where you leave with one real thing built or fixed — the format, who it is for, what happens in the room, and what it costs.

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    30 July 2026 · 11 min read

    The AI MVP Production Readiness Checklist

    Seven gates and forty checks that take an AI-built MVP from demo to something you can charge for: security, reliability, data, billing, support, legal and metrics.

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    28 July 2026 · 9 min read

    Why Your Lovable App Is Not Ready for Customers

    An AI-generated app is a working prototype, not a commercial product. The nine gaps between a Lovable build and something you can charge customers for.

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    27 July 2026 · 8 min read

    Why Startups Fail Before Product-Market Fit

    Most pre-PMF startups fail for a handful of repeatable reasons: building before validating, no clear wedge, premature scaling, and running out of runway mid-pivot.

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    26 July 2026 · 8 min read

    The MVP Checklist: Pre-Build, Build and Launch

    A practical MVP checklist split into pre-build, build and launch phases, covering scope, evaluation, analytics and the launch surface most founders forget.

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    26 July 2026 · 10 min read

    From Prompt to Production: The Real Path

    The five stages between an AI-generated prototype and a product customers pay for — what happens at each stage, how long it takes, and what it costs.

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    24 July 2026 · 8 min read

    How to Validate a SaaS Idea: A 10-Step Checklist

    A concrete 10-step checklist for validating a SaaS idea before writing a line of code, from problem interviews to pre-selling and evaluation planning.

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    24 July 2026 · 9 min read

    The Hidden Security Risks Inside AI-Built Apps

    Broken authorisation, exposed keys, missing rate limits and prompt injection — the security flaws that appear again and again in AI-generated applications.

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    23 July 2026 · 9 min read

    Scaling Wocal to a £2.7M Pre-Money Valuation

    A product leadership case study: how Wocal reached a £2.7M pre-money valuation and 300+ venues, and the discovery, pricing and delivery decisions behind it.

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    22 July 2026 · 9 min read

    How to Turn an AI Prototype Into a Commercial Product

    The commercial work that turns a working AI prototype into revenue: value metric, pricing, packaging, onboarding, proof and the first ten paying customers.

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    21 July 2026 · 7 min read

    Agency vs Fractional CPO: Who Should Build Your MVP?

    Dev agencies build what's specced. Fractional CPOs decide what should be built and often build it too. Here's how to choose for your MVP, with real cost ranges.

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    20 July 2026 · 8 min read

    What an AI Product Manager Actually Does in 2026

    The day-to-day reality of the AI Product Manager role in 2026: evaluation, model economics, prototype-led discovery, guardrails, and how it differs from a traditional PM.

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    20 July 2026 · 8 min read

    What an AI Product Commercialisation Lead Does

    The role that turns a working AI build into revenue: buyer definition, value metric, pricing, packaging, onboarding and the first ten customers.

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    19 July 2026 · 6 min read

    Fractional CPO vs Product Consultant: The Real Difference

    A product consultant delivers a recommendation and leaves. A fractional CPO stays accountable for shipping it. Here's why that distinction matters more than title.

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    18 July 2026 · 7 min read

    Fractional CPO vs VP Product: Which Do You Need?

    A fractional CPO sets strategy and direction part-time; a VP Product executes full-time and manages a team. Here's how to tell which one your stage actually needs.

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    18 July 2026 · 8 min read

    What an AI Product Recovery Lead Actually Does

    The role that rescues a stalled or broken AI product: triage, stabilise, re-scope to one journey, and get it back to shipping and earning.

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    17 July 2026 · 9 min read

    How to Go From Idea to MVP in 5 Days Using AI Tools

    A day-by-day plan for taking a raw idea to a live, AI-powered MVP in five days: validation, scoping, building with Lovable and Cursor, evaluation and launch.

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    17 July 2026 · 7 min read

    How Much Does a Fractional CPO Cost in the UK?

    UK fractional CPO rates run £4,000-£10,000+ a month depending on days per week and engagement type. Here's the full rate breakdown and what drives the price.

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    16 July 2026 · 7 min read

    What Does a Fractional CPO Actually Do?

    A fractional CPO owns product strategy, discovery and delivery for one to two days a week. Here's what that looks like week to week, and what it deliberately excludes.

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    16 July 2026 · 8 min read

    What an AI Product Assurance Lead Actually Does

    The role that keeps AI-built products safe to sell: release gates, model evaluation, security controls, data governance and incident readiness.

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    14 July 2026 · 8 min read

    Fractional CPO vs Full-Time CPO: Cost, Pros & Cons

    What a fractional CPO costs in the UK versus a full-time hire: real retainer bands, total cost of ownership, the pros and cons of each, and when to switch.

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    12 July 2026 · 9 min read

    Why Most AI Products Never Generate Revenue

    Seven reasons AI products get built, demoed and admired without ever earning — and what to change to move from usage to paid.

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    10 July 2026 · 9 min read

    Idea to MVP: The 6-Week Path I Use to Ship a Startup

    A week-by-week breakdown of the six-week path from raw idea to a launched AI-powered MVP: validation, definition, build, launch surface, launch and the first retention read.

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    10 July 2026 · 8 min read

    You Can Clone Airbnb, But Not Its Customers

    AI makes copying a product trivial and copying demand impossible. Where defensibility actually lives now that building is cheap.

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    8 July 2026 · 7 min read

    Business Clubs Should Focus on Building, Not Networking

    Why traditional networking fails early-stage businesses, and what a working format changes — structure, accountability and one finished thing per session.

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    1 July 2026 · 9 min read

    AI Product Manager vs Traditional PM: What Actually Changes

    How the AI product manager role differs from a traditional PM in practice: discovery loops, prototyping speed, model choice, evaluation, guardrails, and the skills that suddenly matter more.

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    EXPLORE NEXT

    Continue the journey

    Every stage from first idea to first revenue, mapped end to end.

    AI MVP Production Readiness Checklist

    Seven gates that take an AI-built MVP from demo to something you can charge for.

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    From Prompt to Production

    The five stages between an AI prototype and a product customers pay for.

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    The Crossley Method

    The seven-stage framework that takes an idea to first revenue.

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    Fractional Chief Product Officer

    Product leadership on retainer for pre-seed and seed teams.

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    Idea to MVP

    Done-for-you six-week build from validated idea to live product.

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    MVP Development

    AI-accelerated MVP delivery, scoped to one journey that earns.

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