https://letters.byburk.net/p/how-to-back-up-your-substackLetters by Burken2026-07-30T07:24:59+00:00How to Really Back Up Your Substack (Posts, Subscribers, and URLs)https://letters.byburk.net/p/one-domain-many-subdomainsLetters by Burken2026-07-28T14:25:09+00:00Use Subdomains to Put Your Domain on Every Platformhttps://letters.byburk.net/p/letters-by-burk-158Letters by Burken2026-07-28T13:15:46+00:00Letters by Burk #158: Where the Writing Lives