Someone at IndieHackers recently started a google sheet where people crowd-sourced what problem they would see solved & how much they are willing to pay for it. I liked the idea very much. So, yeah incorporate that into your execution.

Also, for upvoted ideas, maybe provide a way for people to talk to others who might be interested in building it or already has started? Otherwise, multiple people start building the same thing, which could have meant a better product if people collaborated? Just thinking out loud.