https://nghiathanhvo.comA non-coder builds and sells a digital product with Claude, in public.https://nghiathanhvo.com/guides/find-what-your-audience-is-stuck-on/https://nghiathanhvo.com/guides/find-what-your-audience-is-stuck-on/Sat, 19 Sep 2026 00:00:00 +0700How I set up the free last30days skill on claude.ai without code, where it quietly broke, and the prompt that got me real Reddit posts.