Your newsletter is all yours. Unlike social media sites, your newsletter and email subscribers are all yours, and you have their undivided attention. You don't have to worry about algorithms not displaying your content to readers, and this is because they are your email subscribers. You aren't fighting with anyone else to have them see your content.
I know many personal finance writers with blogs that track the financial mess they got themselves into. They don't have financial degrees, but they are doing very well for themselves and help many people with their experiences. Many times, readers just want to hear from you, follow a real person's journey, read about how a real person made it through a problem, and so on. This is a great example of why degrees are not always needed.
Hi Sam! I love your site. We should definitely connect. I’m a school counselor and recently launched a site for parents to address pertinent teen topics. Like you, I struggle with the ultimate service I’d eventually offer on my site, but Ramsay’s idea is a great start. He’s absolutely right that people are looking for fresh content for their sites! Best of luck to you and I hope we can collaborate.