Evening – going to where people are already talking or engaging on this topic makes a lot of sense, contributing to that / those communities and engaging could lead to some ‘lead generation’ – while you work out who your sweet-spot prospect is, who will and also who will not sign-up to your service.

A couple articles which might be helpful below: –

https://medium.com/yought-blog/5-ways-to-grow-your-startup-to-its-first-100-users-7fcafc0e3015
https://entrepreneurshandbook.co/20-growth-marketing-hacks-to-get-your-first-100-customers-107fc4bb511d
https://www.honeybook.com/risingtide/engaged-followers-instagram
https://medium.com/@tynorwoodlive/a-framework-for-creating-and-testing-a-new-business-b1b9bbff0170

Nga Mihi – Andy