Notes on product leadership, discovery and shipping — written by Nabil Chouaib while doing the work.https://blabigo.de/en-GBhttps://blabigo.de/blog/coaching-vs-mentoring-for-pms/https://blabigo.de/blog/coaching-vs-mentoring-for-pms/The three are not interchangeable and they fix different problems. A blunt guide to which instrument fits which stall — including the cases where the honest answer is that you need none of them.Thu, 06 Aug 2026 00:00:00 GMTCoachingCareerhttps://blabigo.de/blog/how-to-become-a-product-consultant/https://blabigo.de/blog/how-to-become-a-product-consultant/The skill that got you hired as a PM is not the skill that keeps you booked. What actually changes when you go independent, how the first three clients arrive, and the honest case for not doing it.Thu, 06 Aug 2026 00:00:00 GMTCareerCoachinghttps://blabigo.de/blog/fractional-vs-interim-vs-consultant/https://blabigo.de/blog/fractional-vs-interim-vs-consultant/Three words used interchangeably for three different purchases. What each one owns, what you get at the end, and the questions that reveal which you're really about to hire.Thu, 06 Aug 2026 00:00:00 GMTInterimProduct leadershiphttps://blabigo.de/blog/how-to-hire-a-product-manager/https://blabigo.de/blog/how-to-hire-a-product-manager/Most PM hiring loops test presentation skill and produce confident mis-hires. A four-stage process that tests judgement instead, the scorecard to run it with, and the false negatives it will save you from.Thu, 06 Aug 2026 00:00:00 GMTHiringInterviewinghttps://blabigo.de/blog/north-star-metric-mistakes/https://blabigo.de/blog/north-star-metric-mistakes/A bad north star doesn't fail loudly — the number goes up and the business doesn't. The test that kills most candidate metrics, and what to do when the honest answer is that you need two.Thu, 06 Aug 2026 00:00:00 GMTFrameworksMetricshttps://blabigo.de/blog/jobs-to-be-done-without-the-dogma/https://blabigo.de/blog/jobs-to-be-done-without-the-dogma/The reframe is worth everything and the orthodoxy is worth almost nothing. How to use JTBD without losing three weeks to arguing about whether a job statement is correctly formed.Thu, 06 Aug 2026 00:00:00 GMTFrameworksDiscoveryhttps://blabigo.de/blog/opportunity-solution-tree/https://blabigo.de/blog/opportunity-solution-tree/Teresa Torres' structure is the fastest way to see when a team has jumped from outcome straight to solution. It also decays into decoration within two months if you treat it as documentation.Thu, 06 Aug 2026 00:00:00 GMTFrameworksDiscoveryhttps://blabigo.de/blog/product-consultant-day-rates/https://blabigo.de/blog/product-consultant-day-rates/Nobody publishes numbers, so here's the structure instead: the three pricing models, the arithmetic that makes a day rate comparable to a salary, and what a cheap engagement actually costs you.Thu, 06 Aug 2026 00:00:00 GMTPricingInterimhttps://blabigo.de/blog/product-discovery-for-b2b/https://blabigo.de/blog/product-discovery-for-b2b/Most discovery advice assumes consumer traffic volumes and users you can talk to freely. B2B has neither. What actually works when your sample is twelve accounts and your users are behind an account manager.Thu, 06 Aug 2026 00:00:00 GMTDiscoveryProduct leadershiphttps://blabigo.de/blog/product-management-frameworks/https://blabigo.de/blog/product-management-frameworks/A working guide to the product management frameworks worth knowing — grouped by the job they do, with the failure mode of each. Teams rarely fail at picking a framework. They fail at applying one.Thu, 06 Aug 2026 00:00:00 GMTFrameworksProduct leadershiphttps://blabigo.de/blog/product-management-process-framework/https://blabigo.de/blog/product-management-process-framework/A product management process framework that survives contact with a real company — what each stage owes the next, where processes actually break, and how much of it you need at your stage.Thu, 06 Aug 2026 00:00:00 GMTFrameworksProduct leadershiphttps://blabigo.de/blog/product-manager-career-path/https://blabigo.de/blog/product-manager-career-path/Most PM ladders describe responsibilities. The real difference between levels is what kind of ambiguity you're trusted to absorb — and which of the three hard transitions you're standing in front of.Thu, 06 Aug 2026 00:00:00 GMTCareerProduct leadershiphttps://blabigo.de/blog/product-strategy-one-pager/https://blabigo.de/blog/product-strategy-one-pager/A strategy long enough to hide in is a strategy nobody can act on. The five things that belong on the page, the two that don't, and the test that tells you whether yours is real.Thu, 06 Aug 2026 00:00:00 GMTStrategyProduct leadershiphttps://blabigo.de/blog/rice-prioritisation-in-practice/https://blabigo.de/blog/rice-prioritisation-in-practice/RICE works, and it fails in one specific place. How to score each term honestly, why the arithmetic lends false authority to a guessed number, and the two fixes that make the output survive a stakeholder meeting.Thu, 06 Aug 2026 00:00:00 GMTFrameworksPrioritisationhttps://blabigo.de/blog/senior-product-manager-promotion/https://blabigo.de/blog/senior-product-manager-promotion/The gap between PM and senior PM isn't output — it's evidence of judgement. The four artefacts a promotion committee is actually looking for, and how to build them in two quarters.Thu, 06 Aug 2026 00:00:00 GMTCareerCoachinghttps://blabigo.de/blog/what-product-led-growth-actually-means/https://blabigo.de/blog/what-product-led-growth-actually-means/PLG is a go-to-market model, not a product philosophy — which is why so many teams adopt the vocabulary and none of the mechanics. What the term means, what it requires, and the products it doesn't suit.Thu, 06 Aug 2026 00:00:00 GMTStrategyMetricshttps://blabigo.de/blog/when-to-hire-a-head-of-product/https://blabigo.de/blog/when-to-hire-a-head-of-product/The four signals that founder-led product has run out, what the role has to own on day one, and why hiring the title before the function exists is the most expensive mistake in this decision.Thu, 06 Aug 2026 00:00:00 GMTHiringProduct leadershiphttps://blabigo.de/blog/product-manager-interview-questions/https://blabigo.de/blog/product-manager-interview-questions/The questions that actually get asked in PM interviews, grouped by the skill they probe, with the difference between a weak and a strong answer — written from the side of the table that does the hiring.Wed, 05 Aug 2026 00:00:00 GMTInterviewingCareerhttps://blabigo.de/blog/fake-door-test-examples/https://blabigo.de/blog/fake-door-test-examples/The patterns fake door tests actually take in a live product, what each one can establish, and why Dropbox and Zappos — cited in every example roundup — were not fake door tests at all.Tue, 04 Aug 2026 00:00:00 GMTDiscoveryExperimentationhttps://blabigo.de/blog/fake-door-testing/https://blabigo.de/blog/fake-door-testing/A fake door test ships the entrance and not the room, so you find out who wants in before you pay for the furniture. How to run one, what it can't tell you, and how not to burn trust.Mon, 03 Aug 2026 00:00:00 GMTDiscoveryExperimentationhttps://blabigo.de/blog/prototype-instead-of-spec/https://blabigo.de/blog/prototype-instead-of-spec/A clickable prototype gets a decision in one meeting. A 12-page spec gets comments. Here's when I still write the spec anyway.Wed, 29 Jul 2026 00:00:00 GMTDiscoveryPrototypinghttps://blabigo.de/blog/interim-head-of-product-first-30-days/https://blabigo.de/blog/interim-head-of-product-first-30-days/What I actually do in month one — before touching the roadmap, before reorganising anyone, and before anybody asks me for a strategy deck.Wed, 15 Jul 2026 00:00:00 GMTProduct leadershipInterim