This first property was an attempt by me to diversify my investments and begin real estate ownership.

I am attempting to avoid a neighbor dispute about an oak tree branch hanging over their property and would like to consult with an attorney to be clear on the local law.  

It MIGHT add some value, but you’re flushing most of that money in an attempt to buy happiness. 

Each one attempts to distinguish themselves by making claims such as:“We are the best.”

Since it's in a trust, you might not get accurate phone numbers, but you could still try skip-tracing the address and attempting the numbers it provides. https://batchskiptracing.com/

The technique to attempt, is an owner carryback on the equity as a 2nd.

People may attempt to break-in to others rooms. 

How do I go about reporting an eviction on some ones credit so the next property manager / landlord is aware and I can attempt to recoup some of my money back?

Also during contract negotiations, the seller may disclose any previous attempts to gaining cross access with the neighbors. 

Virtually all basements are going to have water concerns, whether from high water table, moisture attempting to move from soil to concrete/concrete block to air, actual infiltration from walls, etc.