Hire an attorney and proceed with the eviction.In the future, I recommend you don't accept "landlord references" from friends or family members.

Have you ran this by your landlord/tenant attorney?

In that case, you’d typically need to file a legal challenge, which could involve going to court and showing that the restriction is unnecessary or unreasonable.The best advice I can give would be to consult a real estate attorney to understand your specific situation and options.

(Also, I would avoid giving legal advice to tenant applicants, unless you are also an attorney.)

It's worth checking with an attorney for your state. 

You will need a local attorney to close on a house.  

Lots of attorneys screw this stuff up. 

Make sure any lease agreement you use complies with Arizona's landlord-tenant laws, including required disclosures (like bed bug information, for example).If you're unsure, consulting with a local real estate attorney to review the agreement can provide peace of mind and ensure you're fully protected.

I have seen these circumstances; people die, go out and buy a car, lose their job, etc… Just my own two cents, I’m not an attorney, just play one on TV

:)I never transfer it into a LLC from my personal name - any good attorney will laugh at that if you think its asset protection.