The most powerful is simply keeping your properties in good condition, treating residents with respect, and following the law. 

You've probably heard of big Landlords losing property, but only because they were flagrantly violating Fair Housing, running a slum, or otherwise violating the law in an egregious manner.

That being said it’s definitely not illegal unless there is a state law against it.

Hey @Yamin Htet, so you will get caught if you try and skirt the laws.

There are numerous posts about ESA laws but I am unsure as to what is the latest in Palo Alto CA.

The dangers are local laws and regulations, and running a good, tight ship so that your neighbors are happy.

Please also remember that not all states conform to federal law.

It also greatly epends on state laws.

Knowledge of real estate principles, the title transfer process, and real estate laws specific to the county and state the subject property is located in4.

I don't really expect the property to cash flow, I realize that it's an expensive place to operate a STR and that on-island management is necessary by Hawaii law, but I'd like to be able to cover most of my mortgage and expenses after putting 30-40% down.