the trick really is to get into motion as quick as you can. Choose your niche that you enjoy writing content on for a while and just get started. This blog post shows how to build out your first blog https://www.milesbeckler.com/how-to-start-a-blog/ and you will learn 100X more from doing then you ever will from studying… So making that shift as quick as you can is key
Then once you’ve got your domain name and hosting sorted out, it’s time to pick a CMS, or Content Management System, that will let you update pages, build your blog and integrate with all the other services you need. It’s hard to go wrong with WordPress—the CMS powering close to a quarter of the internet. Keep in mind that eventually as you start growing traffic to your blog, you'll be wise to invest in a managed WordPress hosting plan from a company with great service like Kinsta, where all of the settings are custom-tailored and optimized to work particularly well with WordPress-powered websites.