Substack supports auto-discovery which is the "best" way to do it. You can just paste article URLs into your feed reader and it will find the feed for you. Of

Substack supports auto-discovery which is the "best" way to do it. You can just paste article URLs into your feed reader and it will find the feed for you. Of course this was a lot better when browsers had built-in indicators that a feed was available. But for those "in the know" there are extensions which restore this functionality.