<ul data-eligibleForWebStory="false">Startups face multiple layers of risk: product, market, execution. Validate riskiest assumption first.Formulate specific, testable hypothesis with target customer, value proposition, success criteria.Use landing page, customer conversations, and presale offers to validate assumptions and gather insights.Track competitor analysis, gather customer feedback, and iterate based on validation results.Structured validation process leads to informed product decisions with customer-centric focus.