Hi Rosa, one way is to put a sign up form on your website: https://kristinagod.substack.com/p/how-to-embed-a-substack-form-in-your

Maybe you've seen this story already. The Writing Cooperative does the same. It's super smart. I feature you in an upcoming post with your question.

I'll soon share further tips on how to grow your Substack.

Hugs!