Over a longer time frame as long as you keep enough cash on hand for unwanted problems and the property cash flowing it tends to turn out sweet.Good luck!

In that case, how can I prevent the tenant from bringing an unwanted person to the home ? 

The goal is to help build your credit and to not go deep into unwanted debt.

You want all the ugly, thorny, unpleasant situations: the nasty divorce, the unpaid medical bills, the IRS tax liens, the relative who stopped paying rent, all of it.

hey @Joshua Dorkin, many companies offer enhanced DNS protection, but you should also go to your internet provider, get in touch with the the network operating centers to make sure they block any unwanted traffic, help you out when you're getting attacked as this is typically a service provided to businesses. 

However, when certain homeless people begin to trespass and destroy my property and steal from me and my tenants - then I have to make it unpleasant for them to do so on my property.  

This way, I did not have to waste much time traveling to unwanted places.

Arizona is full of fantastic “unwanted” rural land deals.

I believe the tax code is more than fair and do try my hardest do my taxes right no need attract unwanted attention even if its legal unless the potential benefit far outweighs the possible scrutiny in this case it doesn't.  

Hoping the City issues disappear on their own will likely result in unpleasant surprises later.