I recently acquired a diploma in Proofreading & Editing! Hopefully, this will motivate me to work on my projects more, maybe it's even helped me develop my writing skills. Maybe I can even have a successful side hustle as an editor, who knows. I might even take up some writing courses next, but my current obsession appears to be Jungian psychology & philosophy, so I'll be powering through that first.
If anyone's interested, I went through the Centre of Excellence (CoE), a UK-based learning center. They have a mobile app now, so I've been obsessing over it. (I also got a Kitchen Witchery diploma & a Wicca diploma for fun)
https://www.centreofexcellence.com/ref/register?ref=b9c881b4c932f18