Instead of posting to show HN first, piggy back on somebody else's post that has similar idea, or topic. Post it as a comment and look at the response, comments

Instead of posting to show HN first, piggy back on somebody else's post that has similar idea, or topic. Post it as a comment and look at the response, comments, pageviews that you get. Fix/make changes based on the response. And once you think it is MVP, post it as show HN.