If they are not paying rent then go through the eviction process as normal.

Sounds like you have a pretty poor security system.Even with a good security system, having a tenant provide ID is the first step in a professional screening process. 

No off-street parking = not worth doing MTR unless it meets all of the following: super urban area where no parking is the norm, highly desirable area with a ton of MTR demand, super safe part of the city, and has great public transportation (think NYC, Hoboken NJ, etc.)Unless it meets all of the criteria above, I pass on those opportunities because my MTR will be eliminating the many people that travel with their vehicles.

The tenant has proof that the rent payment went through successfully and was processed.

If someone had gotten hurt and sued for $1mm then these coverages would have kicked in.Having been thru the claim process on a total loss.

If it's zero, put in a zero, line through it, or something.If you don't use a manager, line through the entire clause and then you and the renter should initial the beginning and end of the line as proof it was agreed to.NHG  (D) As used in this Lease, Landlord’s “Authorized Management Agent” means ______________________________, address:___________________________,who is also authorized to act on behalf of Owner for the purpose of Service of Process and accepting Notices  NHGYes, you would check the line next to the form(s) of payment you accept.

I always start out with a process of responding back by phone or email and getting a quick conversation to let them know my process.

That violates the Takings Clause.MD can be distinguished (in fact MD was mentioned in the decision) in that there IS a process on the books for the foreclosed owner to petition the court for the surplus. 

No reason for me to go the through the hassle of the sale process unless there is some type of gain which the investor is open to and this is where I need the advice.

@Alex Washburn makes really good points - the process is definitely not easy.