I publish an edition of my newsletter every 11 days.
I write about lessons from failure and mental models to overcome setbacks: sunsetclub.substack.com
My strategy is to focus on the long-game and to ship consistently instead of worrying about volume.
The content should be worthwile, and what people like to read are stories, real life experiences, trending stuff... So yup ChatGPT can deffinitely be your content writer, but make the structure yourself and make it real
Sparky