Most cofounder misalignment doesn’t start with technology or execution. It starts with language that feels agreed upon but isn’t. "Built" is one of the most common examples. One founder sees a working demo, the other sees a system that can operate independently in the real world. Without a shared definition of what "operational" actually means, teams end up building toward different endpoints while believing they are aligned. Defining this upfront removes ambiguity and creates a single reference point for every decision that follows.
Most early-stage startups don't fall apart because of bad technology or a weak market. They fall apart because two founders who thought they agreed on everything discover, months and thousands of pounds later, that they never really did.
Why teams kill their execution velocity by reaching for heavyweight CMS platforms too early, and how optimizing for theoretical scale breeds terminal product debt.