Speaking as a developer that did turn a side project into a very very minor income stream (pays for my spotify and a few steam games a month), I did very little

Speaking as a developer that did turn a side project into a very very minor income stream (pays for my spotify and a few steam games a month), I did very little to try to make it into a income stream. My primary focus was writing software for my own use, and for the fun and challenge of doing so. The "monetizing" was, honestly, quite annoying.