Self-host your website. Always.

I can’t agree more with Robin:

There are no rules to blogging except this one: always self-host your website because your URL, your own private domain, is the most valuable thing you can own. Your career will thank you for it later and no-one can take it away. But don’t wait up for success to come, it’s going to be a slog—there will be years before you see any benefit. But slowly, with enough momentum behind it, your blog will show you the world: there will be distant new friends, new enemies, whole continents might open up and welcome themselves to you.