Stop guessing what Notion product to build. Notion Goldmine is a practical research and validation system for creators and sellers. Learn to find promising niches, research the Notion Marketplace, analyze competitors, mine reviews and feedback, identify gaps, evaluate demand and competition, score ideas, and validate before building. Includes research frameworks, competitor analysis, review mining, scorecards, checklists, and worksheets. Research smarter. Validate earlier. Build with a reason.