~2 years ago I seriously looked into Serverless and very quickly discarded it after seeing a large production deployment of it. I didn't have access to the billing info but the site loaded much slower than a regular site and developer productivity was quite low.

I'm going to stick with good old servers for now. If anyone is curious, a few years ago I did a write up on "Should your next project be built as a Serverless app?" which compares deployment styles in a bit more detail: https://nickjanetakis.com/blog/should-your-next-project-be-b...