From a safety standpoint many solo travellers prefer a resort that has indoor access. This basically means deluxe accommodations. If you stay at an exterior resort then being closer to the lobby building with the food court is better. This is closer to Disney transportation, too.
I have used a doorstop to aid holding the resort door; so, I can get the
scooter in and out by myself easily. This made a huge difference for me.
To avoid elevators try to get a first floor room.