Ask any seller group about AI right now and you'll hear the same promise: nail the prompt, and ChatGPT builds your product page while you sleep. Sounds great. Here's the problem. Nobody tells you what the machine does when it doesn't know something. It doesn't stop. It doesn't ask. It fills the gap with an invention and delivers it in the same confident voice it uses for real facts. Stanford put numbers on this. When researchers asked AI models specific questions about real court cases, the models fabricated answers 69% to 88% of the time. Zero hesitation. And newer "smarter" models aren't fixing it. OpenAI's own benchmark showed one of its reasoning models making things up twice as often as the model that came before it. On Amazon, those inventions land in dangerous places. A material you don't use. A certification you never earned. A claim word Amazon bans. Sellers are already reporting AI-written listings getting flagged and suppressed weeks after going live, once the compliance bots do their pass. You checked the grammar. Amazon checked the facts. So flip your process. Don't fact-check after the writing. Lock the facts before the AI output. Feed it your real product specs and market data, (Helium 10, Zon Guru or Jungle Scout, etc) and add one rule: only use the facts I provided. Invent nothing. No materials, no dimensions, no certifications. Mark anything missing as [MISSING] and ask me instead of guessing. That one rule with the additional market context turns AI from a smooth talker into an actual assistant. Leave in the comments below: the most confident wrong answer AI ever gave me was ________