Yes!!! In my state we have the Department of Rehabilitation- if you are on any kind of social security you are automatically allowed access to their services but if not they will evaluate you (for free) and based on your disability tell you what they can help you with. They can give job training, he...

You could also try Freecycle or Craigslist to request a used wheelchair- if you have medical coverage you might be able to get that covered by insurance so it’s worth asking your doctor about. Also if you use the neighborhood app you might be able to reach out to neighbors that could help with thing...

I don’t know of anything that she can use to go up without power but a slide that looks like a handrail would be easy enough to add to stairs as a safe emergency exit.

Perhaps you could look into an electric chair lift that attaches to a wall that could be attached to a battery source?