Do them all; all the ideas. If your body says stop, you know it's not the right way. If it still feels right after 2-3 days, it's probably right. I also found

Do them all; all the ideas. If your body says stop, you know it's not the right way. If it still feels right after 2-3 days, it's probably right. I also found that a spreadsheet with: | difficulty | est. time | benefit idea 5 5 5 idea 3 2 4 idea 2 1 2 idea ... idea ... helps cutting out a lot of undesirable long term ideas. Make you own columns but basically it's about managing time, risk, feasibility and potential outcome. HTH.