When you create a reoccurring event on the calendar. There should be an end date as well and a way to delete individual events within the series. Some rentals have weekly events but take a week off here or there and it is not possible to resemble that on the calendar at this time. Also, some rentals are only from date to date and reoccuring inbetween. There is no way to put a stop to a series without deleting the whole series which isn't okay.