Efe Demirbağ

Product

#497768812 followers 3 following

☀️ 2 day streak

About

Product | AI Product Craft | 15+ years building

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Maker History

TierpeekKnow the moment a competitor changes their pricing
Jul 2026
Product Manager Interview Cheat Sheet15 years of product. 7 pages. Open before your interview.
Apr 2026

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Joined Product HuntJanuary 5th, 2023

Forums

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13d ago

Tierpeek - Know the moment a competitor changes their pricing

Paste a competitor's pricing URL. Tierpeek checks it every day, catches plan and price changes, and sends one plain sentence to Slack and your inbox: what changed, old to new, and what to do. No diff walls, no 11pm bookmark checks. $9 a month, 3-day trial, no card to start.

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4mo ago

Product Manager Interview Cheat Sheet - 15 years of product. 7 pages. Open before your interview.

Most PM interview guides are either 300-page books or recycled Medium posts. This is neither. 9 sections covering product sense frameworks, behavioral questions, estimation, strategy, crisis management, and take-home assignments. Built from real products shipped across adtech, proptech, SaaS, mobile, ecommerce, and AI. Not theory. The actual patterns that separate offers from rejections.