I noticed during my own automatic programming [1] that although code is free (or more free, at least compared to before coding agents) understanding is not. Instead of investing time to understand and master someone else's software tools, I now still need to understand and master what I build for myself, which can be a lot of fun if you build up your understanding from scratch while building out the tools.

[1] https://antirez.com/news/159

Wow, it's amazing that an individual built an IDE