I just hit 50 subscribers on the Deliberate Python newsletter.
I've been talking about my journey building Deliberate Python on IndieHackers, HackerNews, Twitter, and LinkedIn. This is where all my traffic is coming from I'm assuming.
At first, the newsletter growth was very slow. I've noticed an uptick after joining Twitter and connecting with Python developers. (I'm building in public @KennethCassel
In the newsletter, I give insights into how I'm building and marketing the project. In exchange, I'm promising all subscribers a lifetime discount.
It's cool seeing what building in public and talking about your project does for building an audience. :)