Cannot customize the way you want - For ex lets say I want to provide an option for visitors to chat , some support , some won't support - even if they support , your monthly bill will most likely increase )2.

Start with as small a sample as you can and make sure you can track the results with either a website to visit or a phone number to call. 

I go doorknocking in NJ, CT and NY...not exactly areas that are receptive to surprise visitors!

I had one caller today who was absolutely livid that I sent a letter to his wife and after about a minute of him just screaming at me I hung up on him.

Would you be open to finding out who they are, what they're about, what inspired them to come, what they're contributing to this country, as you might with any other visitor - or would you pretend they aren't there and rather they not fix the things that need fixing, because you haven't found someone yet that can do it for the price that you can afford.

After 2 months of living there (I lived above one of the units rented) I would witness the tenant literally screaming, cursing, and being verbally abusive to her two sons (4 years old and 7 years old) - loud noises all day and night, etc.

Or maybe this is some dilapidated mansion screaming for a million-dollar makeover?

If you want a screaming deal, below wholesale, I would go rent a nice house and look for a screaming deal.

Security cameras to catch visitors.

No one wants to hear screaming at 2am whether it's a pleasurable scream or if they come home and have a drunk fight.