My issues are parents telling me (or not telling me) that they will be dropping off later than the agreed upon time and then not even showing up when they say. So we are waiting and waiting to carry on with our day.....waiting to have snack, waiting to go outside to play, things like that. Or showing up an hour and half early while we are having afternoon snack or in the middle of of a craft. It's very distruptive. I have mentioned it to one parent in particular but she just doesn't get it!