One wrinkle, there is no need to book reservations in chronological order. A system that has worked well for me, taking advantage of the 90+10 booking window, is to try to book the most popular and desired ADRs first, and asking for reservation towards the end of our stay. I think that that if I am connected as soon as the reservation line opens, I start dialing at about 6:57, asking for a reservation at 90+7, we typically stay for a week, there are not many people that have had a chance to make an ADR before us. The system has worked well for us so far.