Just shared my story of building ReleaseLog as a first-time non-technical founder would love feedback from anyone who's been through the “built the thing, now what” phase: https://www.indiehackers.com/post/i-built-a-canny-alternative-as-a-first-time-founder-here-s-what-i-learned-14c926f97b
I know a few indie founders who have definitely been through that "now what" phase. I bet they'd be willing to answer some of your questions if you want.