When is it worth returning to an idea I put aside?
Go back to an idea when a condition has changed and you can investigate the change. Test one question before you revive the whole project. Being unfinished is a weak reason to resume it.
Tyra Banks shared stories about returning to earlier creative and business work. I read that as permission to review a past decision when conditions change, and no promise that every old idea gets its moment.
Start by writing down why the idea got shelved. Maybe nobody wanted it yet, or the budget wasn't there. Maybe another priority won, or the offer itself had a problem. Be honest about the original constraint.
Then ask what has changed and what evidence supports it. Comments from a different audience may justify a closer look. A tool that lowers production effort may change the cost of testing. Neither one establishes a viable business on its own.
An AI assistant can help line up the old plan and the current evidence side by side. Ask it to leave unsupported assumptions visible, including the ones you were attached to the first time.
Test one question before reviving anything. You might need to find out whether the new interest lasts, or whether people want the old work in a different format.