Write a one-page business plan for [BUSINESS IDEA] in [CITY / ONLINE]. Sections: problem, solution, target customer, competitors (I'll check names), pricing, how I'll get the first 100 customers, monthly costs, break-even math (show your working), and the 3 biggest risks. Use my numbers where I give them: [ANY NUMBERS]. Mark guesses clearly.
Works in the free versions of ChatGPT, Claude, Gemini and Copilot. Never paste passwords or account numbers.