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- A worker says she's using AI to support a $670 per month side hustle.
- Nicole Cueto told CNBC using ChatGPT instead of search has halved her research time.
- Cueto says she's been making extra money since January by planning people's vacations.
A worker says she's using OpenAI's ChatGPT to support a $670 per month side hustle — and it has drastically improved her productivity.