We do our own reservations, resort and dining and tickets.
Our flight arrives late - so we will get our own bags.
Not sure if we will go directly to DME or stay overnight at the MCO hotel
and do DME the next morning.
Since we plan on placing our bags (2 of them) under the bus, no DME tags on them,
we are not making a DME reservation.
I asked WDW DME and they said the above was not a problem.
As long as you are staying at a WDW resort, DVC, and I think now they do Disney Springs resorts, no ressie needed. You may need to wait if the bus if full for the next one.
But for us, it will either 10:30 PM or 8 AM the next day, so I do not think the DME buses will be over packed with guests