I only know of this from a conversation with another landlord of an RSO because my property has no parking at all.Also, if you do separate the parking lease, be very upfront about it and don't make it seem like you are hiding it in the fine print of your advert. 

Does anyone have a recommendation for private/government statistics which have rental vacancies rate broken down by county, town or even neighborhood?

That’s your number. https://www.grandrapidsmi.gov/Government/Departments/Office-of-the-City-Treasurer/Property-Tax-EstimatorInsurance: call an agent but typically $800-$1200 for SFH depending on price point. 

My other concern is that I don’t like tying up my money until almost age 60 & given the governments finances & what’s happening & about to happen to social security I don’t trust the Fed’s to even keep the Roth IRA benefits in tact to even the early adopters & others after it was promised too.

It is stated on the main lease agreement in print that room rentals are not allowed unless agreed upon by the landlord in writing.

I called the city to explain (I also let my realtor know as a courtesy so she could let the buyers' realtor know).In extreme eyesore situations, government gets involved and code enforcement liens on the property can add up over time.

"Housing" sounds like a government assistance program or a shelter.

Here's one of the longer ones where some of our regular CPA posters answer this very question: THE Thread on the Final GOP Tax Bill - Q&AWith that being said, if you really want to pay extra taxes, I'm sure the government will be happy to accept it

., I'm in Illinois where there isn't a statute governing pet rents or pet deposits.

Conventional loans are government backed.