First, he'd learn how to write prompts for artificial intelligence language models like OpenAI's ChatGPT or Google's Gemini. Next, he'd teach his friends how to use those prompts on their school papers. "Then, I would go to businesses, particularly small- to medium-sized businesses that don't understand AI yet," says Cuban. "Doesn't matter if I'm 16, I'd be teaching them as well."

More than half of Gen Zers in the U.S. currently have side hustles, a LendingTree report found in February. AI prompt engineering — or, the ability to phrase inquiries to chatbots to get desired responses — can be a particularly lucrative opportunity. The average pay for AI tutors starts at about $30,000 per year, and full-time AI prompt engineers can make up to $129,500, according to job board platform ZipRecruiter.