There is a wide range of abilities and disabilities among our senior tenants; it really is a case by case scenario. 

Now I have seen where they steal Sheas security cameras and disable/destroy his alarms.

Planning for financial aid eligibility, including disability, college, etc.In other words, you will be paying more taxes every year in exchange for gaining protection against possible future calamities or eligibility for some government benefits.All of these are more complicated when you plan to combine your money for future investments, so you may want to run it by a family attorney experienced in your state law.

I would also call the regulatory agency (in Texas it is Department of Aging and Disability Services or DADS) and talk with them to find out as much as you can about players in town, who is expanding, etc.

Single woman military disabled, and her 23 y.old son who needs his own space for a hobby he has of creating camping locations in miniature, I havent heard of it or seen it.

If the series of substantially equal periodic payments is subsequently modified (other than by reason of death or disability) within 5 years of the date of the first payment, or, if later, age 59½, the exception to the 10% tax does not apply.

You can't be 1% disabled- it counts and triggers the law. 

If this goes south it will be a lesson learnt in REI investing and I would pretty much conclude that REI is not the right avenue for investing, cut my losses and disable my BP membership.

That is a recipe for disaster.This is unchartered territory for the most part, so you have to ask yourself whether you are willing to push the limits and potentially go to court to help set some rules, or work within the framework to find the most qualified tenant.Here is a good form to require for the next step:FORM TO REQUEST AN ASSISTANCE ANIMALWe are committed to granting reasonable accommodations when necessary to afford persons with disabilities the equal opportunity to use and enjoy our rental properties.Under the Fair Housing Act, a person with a disability is defined as a person who has a physical or mental impairment that substantially limits one or more major life activities.

Your wife's aunt should get a lawyer for her disability.