The owner may be arguing with the neighbor because neither wants the expense to replace or maintain.   

On the other hand, keep in mind that there are costs associated with maintaining an LLC (such as the $800 annual franchise tax in California).2.

They should specify how your data is used and who maintains ownership of it. 

As a first timer I am trying to do everything I can to avoid pitfalls and make it a smaller learning curve.

Additionally, owners are required to inspect and maintain the devices in all residential rental units and each smoke alarm installed must be on the State Fire Marshal’s list of approved devices.

You also have to take into account for taxes, maintaining the property, advertising (to fill vacancies), emergency fund (for when something breaks).

Both are 35+ years old, but have been well maintained and burners replaced within last 2 years.

They knew how long they could stay rent free, and they pegged you as being "easy" so they got even more time rent free due to your delay in filing for non payment.As for the utilities - it is my understanding (at least in my area) that you are not allowed to shut off the utilities - they call it forcible eviction here.

The time and cost of maintaining a system does not provide me any additional value.  

The yard was spotless and well maintained.