Okay. Take this with a grain of salt because we haven't actually *been* yet, but here's what we are doing.
We have ds6.5, ds3.5 and dd10 months at time of travel.
I bought a Maclaren Techno at a garage sale the other day ($35!!). We are going to take that so we have a stroller with us but is easily folded, etc for the busses. I also have an Ergo baby carrier that both the little guys can fit into. Our plan is to alternate who gets to ride in the stroller, who will be carried in the Ergo, and who will be walking (obviously mostly the 6.5 yo). If we determine that they are just too tired to continue on any given day, we will rent a double stroller in the park so there is a spot for everyone to ride. I'm thinking right now Epcot day is a good day to do this. It is a big park and will be in the middle of the trip for us, so I'm betting everyone will want to ride that day.
We were orginally planning to go back for naps, but now my plan is to go on a given day until just before we start melting, and then head back to the resort and be done for the day. We will be skipping Wishes/Illuminations/Spectro, etc. The kids don't know any different and sleep is more important. I'm figuring we will be headed back 'home' every day by about 5 pm. I've only made lunch table ressies so that we aren't hanging in a park just for food times and we have a nice break for lunch.
Who knows how all this will play out, but this is what I'm thinking right now.
Ds6.5 has already asked if Disney has a pool, so I'm trying to keep in mind that it really doesn't take much to entertain them and there's no need to cram everything into this trip.
We may be headed back to the resort every day after lunch so the kids can swim, and I'm going to have to be okay with that.
I'm also planning on hitting rope drop every morning, but that's only b/c I have a crew of notoriously early risers. They are usually up and at'em by 6 am every morning.
ETA: All but one of our table ressies are for buffets. I did that on purpose. That way we aren't sitting around waiting for food at restaurants. They can go, get what they want, and be done. I think the buffets will be 'paced' better for the littles.