Founder of Blogging Guide. Digital publishing / content marketing expert. Background in Online Reputation Management and PR for top D.C. lobbying firms. Winner of Substack Independent Writer Grant. Consultant for companies such as Medium, Substack, Amazon KDP, Etsy, WordPress, and more!
There are generally two main ways to create a blog: (1) use a third-party platform to blog on (Medium, Substack, Blogger, etc.) or (2) create your own self hosted website, using a CMS like WordPress.
Both have different advantages and disadvantages. I've discussed two popular options in this article:
https://medium.com/blogging-guide/medium-vs-wordpress-97f9974005d0
Some of the best truly passive income ideas that I have personally experimented with, include: Stock Photography, Self-Publishing with Amazon KDP, Selling a Digital Product on Gumroad or Etsy, or incorporating Affiliate Links into blog posts.
I've written a more detailed post, here:
https://medium.com/escaping-the-9-to-5/passive-income-ideas-for-2020-7a76c9d6218