Idea Validation Overview Kill bad ideas fast, confirm good ones cheaply. Walk through every phase in order. Each phase has a kill-check — if the idea fails, document why and stop before wasting further time. --- Step 1: Problem Definition Everything starts here. A vague problem = a vague business. Answer these four questions precisely: 1. Who — The exact person. Not "small businesses." Something like "freelance graphic designers juggling 3-8 client projects at once." 2. What — The specific painful moment. "They spend 4+ hours/week manually exporting deliverables and coordinating revision feed…