That seems to be the solution. But for the side-project of content membership, I am using this new startup https://www.substack.com/ https://www.substack.com/.

That seems to be the solution. But for the side-project of content membership, I am using this new startup https://www.substack.com/ https://www.substack.com/. I really like their platform and business model, it is a perfect match for my needs... except they only accept Stripe for monetization of my newsletter.