If you seek to pull new credit, you would need authorization to do so from the Vendee/Buyer.Looking for in the Deed?  

Just look up on Google an ATR ( authorization to release) letter.You then put everyone on the ATR for multiple lines.For example if there is a first and a second mortgage, sellers attorney, etc. you put them all on there with information and have the seller sign and date it.

No major damages, but all kinds of stuff, random people living there, that werent authorized, carpet, stains, and cleaning needed at the least.By the time the tenant moves out, they will owe me about 1300 in rent/late fees.I have a 1k security deposit, that I will be keeping.Considering it is always hard to recover money from tenants, especially degenerate ones, would it make sense, to offer to the tenant, if the place is cleaned, the keys and garage door opener is left, and all stuff is removed, and you are out by the 21st per the judges order(not by a sheriff the next day) that I will drop the damages hearing?

A book presents information in a structured hierarchical format, and the author controls the content and presentation.  

This authorizes new background checks and the RHA leases allow them to be repeated periodically.  

If I acquire another property out of state do I have to re-register as a landlord or do I just enroll my new property at that local housing authority & they add it to my "existing account" so to speak. 

I would have an investor pool large enough to oversubscribe the deal by 125% (I recommend using all accredited investors), if you get more than the 100% needed your subscription agreement should give you authority to reject investors.- Once a deal is found, who's funds out of the investment pool are used first, is there a priority based on the money raised. 

I would rather have the criminal try to call the authorities for his rights than me calling for mine.

All leases should include a section on illegal activity violating the lease which can be used to leverage the tenant out, if needed; As in, "Leave asap and authorities will not be alerted."

You did not authorize this sort of parking in the first place, and I suggest you stick to your original "no" by explaining it as an insurance / safety / liability matter and that you cannot allow this sort of parking at that building.