It's the elimination of idle resources that you're otherwise paying for. It can reduce a section of your DevOps costs as well.
As with most things though, if you push on this, then that happens over there. Some of your cost savings via serverless, will potentially get you elsewhere over time (increased complexity = typically the people handling that complexity will cost you more; if this becomes a much bigger trend and grows further in complexity, you can bet the bargaining power of the people handling that complexity will go up accordingly).
As with most things though, if you push on this, then that happens over there. Some of your cost savings via serverless, will potentially get you elsewhere over time (increased complexity = typically the people handling that complexity will cost you more; if this becomes a much bigger trend and grows further in complexity, you can bet the bargaining power of the people handling that complexity will go up accordingly).