You don't say what your disability is.
I use an electric powered wheelchair, and find the ability to get around WDW (all the parks, Downtown, all the resorts) by fully accessible transport a great liberation.
I don't visit alone, but my wife is a pool person and I am not (I cannot get in & out of a pool). As a result I spend much of each day alone in a park, shopping at downtown or visiting resorts. I have no problem with spending my time alone, as there is so much to do and everyone is so friendly.
The only problem for me, is one of safety and convenience in our room at night. If I am not especially carefull, I can fall making transfers into and out of my chair, so It is good to have someone around to summon help, if I end up on the floor.
Andrew