Signal Library
Learn how to identify real signals before you build more.
Start with the core validation guide, then explore support articles to learn how to spot demand from marketplaces, comments, communities, and more.
How to Validate a Business Idea Before You Build
Learn the full validation process: what validation actually means, how to find demand signals, how to use simple math, how to run a same-day launch test, and when to move forward, revise, or stop.
Core support articles
Use these guides to learn how to identify signals from different sources.
Use listings, reviews, questions, and repeated complaints to spot real buying behavior.
Learn how repeated questions, frustration, and buyer language reveal real opportunities.
Study repeated questions, pain points, and workarounds inside active communities.
Explore by source
As the library grows, use these categories to find the right guide faster.
Amazon, Etsy, product listings, reviews, and buyer behavior.
YouTube, TikTok, Instagram, blogs, and discussion threads.
Reddit, forums, groups, and recurring problem conversations.
Core guides on how to validate before building more.
Browse the library
Add new articles here over time so the library grows without changing the overall structure.
Learn the full validation process before investing more time, money, or energy.
Use product listings, reviews, and repeated complaints to identify demand.
Learn how comments reveal repeated questions, pain points, and buyer intent.
Study repeated problems and discussion patterns inside niche communities.
Start with signal before you build more
Use plannova to research demand, understand the numbers, and test your next step with more clarity.