Artificial intelligence still has a long way to go before completely taking over most human jobs. But it can already make some side hustles easier and more lucrative, primarily by saving people time.

"Automation, I think, is the key to reducing your workload," Sean Audet, a food photographer who uses generative AI tools like ChatGPT to write emails and business plans, told CNBC Make It earlier this month. "When a client first reaches out to me, I need to be able to quickly deliver a bunch of information about services and costs ... in a nice, succinct and personalized way."