I am handicapped and cannot take care of myself and the house. The child who tries to help is also handicapped, one lives many miles away and the only one near me is employed, has a bad back, and not too happy to help out. I've had an offer to buy my house as is and really need to take him up on it.
Good luck to you with your home sale & subsequent move to Assisted Living.
My experience with thorough cleaning was that the disaster remedial companies do an excellent job, but their schedules are subject to disasters, especially if they're affiliated with specific insurance companies. I've used two insurance company cleaners and they were both top notch, but they both preferred to do insurance work and weren't always available.
What I would do is research organizations that (a) help handicapped in general, or (b) focus on your specific handicap. They may have sources of their own.
Realtors as resources are variable. I asked one realtor I was considering hiring if he could recommend a contractor (I don't recall the specific tasks) but he advised that he ONLY would do that if he were retained as the selling realtor.
I don't know if others are as picky, but he was immediately removed from the consideration list.
I would agree with Lealonnie; if the offer to buy "as is" is good, go with that, and let the purchaser handle the cleaning (he/she seems to be willing to do so.)
I don't recall if moving companies will pack; I believe they will.
When I went to all the free senior seminars, there were also a lot of businesses catering to people with limitations. Some were in fact moving companies. So you could search online for moving companies, handicapped owner, or something like that.
You could start here: (Just ignore that ads at the top, and don't hire College Hunks. My experience was them was that they take "junk" that's metal and can be resold.)
https://www.google.com/search?hl=en&source=hp&biw=&bih=&q=moving+companies%2C+handicapped+owner&iflsig=ALs-wAMAAAAAYdDajOFIG4d287I5qaYVwhGh8RfvfNB7&gbv=2&oq=moving+companies%2C+handicapped+owner&gs_l=heirloom-hp.3...1022.5174.0.5310.35.18.0.17.6.0.178.1952.8j10.18.0....0...1ac.1.34.heirloom-hp..12.23.2072.cQ_4huv861o
Or search on "moving companies, handicapped owner". There are several companies that cater to people with physical needs.