What can you do with AI for free/cheap today, that you used to pay for years ago? [I will not promote]

I am currently using AI to build a custom website by myself. Previously this would've costed me thousands of dollars to get right and manage over time. But there are many use cases for AI that I don't even know about yet, and I think we could all benefit from inspiring each other on how to improve our lives, for free/very little, using new technology. What can you do with AI for free/cheap, that you used to pay for before? How do you do it? What tool do you use? How much did it use to cost before? Other thi