If they are senior or disabled, you must pay them 3 months rent.  

Experts recommend having enough savings to cover at least 3-6 months of living expenses.Adequate insurance coverage: Having adequate insurance coverage, including health insurance, life insurance, and disability insurance, can protect you and your family from unexpected financial hardship due to illness, injury, or death.Debt management: Managing your debt is important for your financial health.

Single story homes are also more desirable to rent to older couples and disabled folks. 

You can't disable the the credit card acceptance so be aware of that.

Chicago has 14 protected classes for Fair housing-1-Race2-Sex 3-color 4age 5-Religion 6-disability 7-National origin 8-ancestry 9-Parent/parental status 10-Sexual orientation11- Gender identity 12-marital status13-military status 14-source of income You need to be careful on the language you use for advertising a rental.

most private investors buy sub prime auto debt.they put those systems in the car that disables it if your payment is late plus a lojack so they know where to go pick it up when they don't pay.

That being said, most Section 8 tenant are either elderly, disabled, or the working poor.

For example: clogged drains, broken doors and windows, screens, disabled or detached smoke detectors, fire extinguishers, frozen pipes resulting from keeping the heat in the Premises too low during cold weather, overloaded circuits, damaged greenery and foliage, and other damages to the Premises that are caused by the Tenants or their guests/permitees/invitees shall be charged to the Tenant.

Do you know whether Roku allows you to disable logout of certain apps so that can be prevented?

When I texted her last month to check on her, she mentioned her disabled status and she said that she needed to stay in the property because they still haven't located a prosthetic leg for her yet.