You can test your business idea with zero budget by validating the problem, audience, and willingness to act before you build. This guide outlines a practical 7-day sprint using free tools, simple scorecards, and measurable signals. Make a clear go, pivot, or stop decision based on evidence, not opinion.

This guide explains how to use ChatGPT to turn your business idea into reality using nine structured prompts and a 7-day validation plan. It focuses on testing before building, pricing sanity checks, and simple systems for early traction. The approach is practical, evidence-based, and designed for solo founders.