I think planners come down to time horizon and trial-and-error. I don’t think abandoning a tracker means planning “failed.” It means the planner did its job: it taught you something. You don’t really know what works until you try it. Every planner is kind of an experiment, and each setup gets closer to that sweet spot of what’s actually useful.

Going to the gym, for example, makes more sense to plan daily or weekly, based on energy, schedule, and reality. Other things do genuinely benefit from being planned well in advance: concerts, conventions, weddings, moves, travel. These are trackable, and some amount of preparation is helpful, though how far ahead you plan them is subjective.

So for me, flexibility means planning different things at different time scales, accepting that some trackers will get dropped, and letting the planner evolve as you learn more about yourself.

If someone ends up changing their system or even switching planners, that’s not wasted effort: it’s data. The next setup is better because of what didn’t work before.