I happen to know and have worked together with Dom. A really inspiring person, and one, whose opinions I often share. Particularly, this one on writing and sharing your knowdledge with the world:

Don’t question whether something is advanced enough to share it. Don’t worry if that knowledge already exists on the internet. The only question you need to ask yourself is this:

What do I know?

What do I know?
I recently started an email newsletter helping people improve their English. I manage the content and list on ConvertKit (👈 affiliate link), which is a fantastic tool. Their motto is highly motivating: “teach everything you know”.