As far as I know, not without going outside Substack's automation and doing it myself. Having burned out pretty badly on the "do it myself" phase of my career, it's not something I'm interested in putting a lot of energy into. I'll poke around Substack and figure out if there's a way to do it, though.
Small technical question: Would it be possible to get your paid newsletter as a private RSS feed?
As far as I know, not without going outside Substack's automation and doing it myself. Having burned out pretty badly on the "do it myself" phase of my career, it's not something I'm interested in putting a lot of energy into. I'll poke around Substack and figure out if there's a way to do it, though.