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In this article, we discuss the common forecasting mistake that turns investors off: using top-down projections based on market size (e.g., "if we capture 2% of a $4B market...").
While top-down may look impressive on a slide, experienced investors see it as naive. It skips over the operational reality of building a business.
Instead, we advocate for bottom-up forecasting—building your revenue model based on real assumptions:
How many customers can you reach?
What’s your pricing?
How fast can your team realistically grow?
Bottom-up models show you're execution-focused. They’re dynamic, transparent, and investor-aligned—helping validate your path to scale rather than just dream about it.