The right hand side is for a chair and twin bed & desk, or just a larger bed for that space and the bathroom.  

In fact, go talk to the housing director for all the law schools in your area, and ask them if you can advertise your rentals to their students. 

He was single and said he took care of his sick mother who was in a wheel chair.

They are a necessary tool for that individual to function on a daily basis, similar to a motorized wheel chair.

My point is that it's like musical chairs.

If it's a condo, check out the financials of the condo association and be absolutely sure they have money and they have a good leadership team in place such as a board of directors or management company.

If you have a law school nearby, go talk to the housing director and ask if you can advertise on their facebook page, or website or at least on their bulletin board.Once I discovered law students as tenants, the angels sang! 

I first advertised on the law school's facebook page via the law school housing director (university was next door), then if no bites from there, I'd list on Craigslist.  

Unfortunately, when the director of the agency that dealt fairly retired his successor was just as unreasonable as the directors of the other agencies.

We routinely offer to change out toilets to chair height (also known as ADA height).