I use notes and create a new one every time I have a new idea. They are all in a note group "Ideas". Every few months I review it and put it in an excel where I

I use notes and create a new one every time I have a new idea. They are all in a note group "Ideas". Every few months I review it and put it in an excel where I rate it based on joy, roi, time needed, ... and if I feel like it I execute the top rated one.