Do any kind of search online for writing and marketing tips, and you will find about fourteen gazillion articles on blogs touting advice on how to be successful as an author.
Most of them say essentially the same things:
Learn and hone thy craft.
Start thyself a blog.
Join Facebook, Twitter, and/or other social media. Promote thyself there, but don't be obnoxious about it.
Get thee an Amazon author page and establish thyself on Goodreads.
Drives. Me. Nuts.
No, it's not bad advice. It's all very good advice. But it's EVERYONE'S advice. Why does every new author feel they have to write one of these posts?
I'm not going to get into that, though.
What I do want to point out is this:
You don't see checklists like this on the blogs of NY Times bestselling authors.