There are a lot of great comments here, though I agree with the sentiment that starting a blog will not guarantee a wild career trajectory change.

I've found the benefits of writing at a blog to be much more intrinsic (I practice every day). Sure, it did lay the groundwork for my career in tech marketing, but it also keeps me in the groove of "just writing"—easier said than done, and it makes me much happier. More here:

https://herbertlui.net/what-my-personal-website-and-blog-hav...