If the landlord's insurance prohibits certain breeds AND if the landlord demonstrates it cannot obtain comparable other insurance at comparable rates, then it may prohibit that breed, even if it is an otherwise allowed companion animal.

Raising their rent $300/year and losing them costs $800 and demonstrates that the owner doesn't comprehend the actual purpose of their business: to make money.

However, if the lawful owner has indeed abandoned the property, or if an investor can demonstrate to a court that "any reasonable person" would conclude the property is abandoned and that the investor is in fact in possession of the property and took possession without unlawfully breaking and entering, then it is indeed possible to rent a property that the investor has no actual title to, nor color of title to. 

Some of the problem with rules for ESA may come from people not understanding that ESA and service dogs are VERY different and using the terms interchangeably,Hopefully someone from Florida can give you info.SA and ESA are very different.The problem is at this moment, the qualification or threshold for an applicant or tenant to demonstrate a need for an ESA is VERY LOW, TOO LOW, SO LOW that they can easily establish a need and provide written documentation.HUD and DOJ's Joint Statement on Reasonable Accommodations Under The Fair Housing Act (May 17, 2004) states that a doctor or “other medical professional, a peer support group, a non-medical service agency, or a reliable third party who is in a position to know about the tenant's disability" may provide the verification of the tenant's disability.That is an exceedingly low bar. 

We also require the tenant to demonstrate they are a responsible pet owner. 

I am not doing this for asset protection or any other reason - just as a way to demonstrate that I manage properties in addition to our own and to count those hours of activity. 

You have to prove to the insurance company that you're not at fault ... all I want is for them to demonstrate that they are not at fault.  

Showing you have done this before and have paid as agreed with references is a great way to foster a belief in your ability and demonstrates you do what you say you will do for the owners who have trusted you.

With a renewal, tenants don't like huge jumps in rent, but you have to demonstrate your unit is still a good value after the increase.

would clearly demonstrate negligence.