We book our ADRs and FP and don’t tweak anything after they’re booked. Usually only the number of people if another family member decides to come or something. If we don’t get an ADR we want, I continue to look for it. If it becomes available, hooray! We add it. TP reservation finder is my friend.
We don’t bother with PPO meals since my kids get up at the crack of dawn and are hungry for breakfast immediately because that’s what they are used to doing at home. So, no early park breakfasts that can get goofed by hours changes. The kids are 1yo and 2yo do so evening hour changes don’t really matter to us much. We are generally unaffected by hours adjustments.
Since I’m usually booking stuff for 10 people, it would be a nightmare to keep changing stuff on them and communicating why, getting opinions, etc. So, we plan it out ahead of time and don’t change a thing unless absolutely necessary.