I wrote about this fairly extensively: TL;DR: Email sign ups before launch via a boosted IG post. Non TL;DR: https://www.swiftjectivec.com/the-first-100-subsc

I wrote about this fairly extensively: TL;DR: Email sign ups before launch via a boosted IG post. Non TL;DR: https://www.swiftjectivec.com/the-first-100-subscribers/ https://www.swiftjectivec.com/the-first-100-subscribers/