The founder of Mailparser in this episode of Indie Hackers[1] talks exactly about this. When he did Show HN, His thread was on the front of HN and he got so many views and advice but zero sales. But ultimately his Show HN thread lead him to a partnership that made him a solopreneur.

[1]-https://www.indiehackers.com/podcast/024-moritz-dausinger-of...