People may attempt to break-in to others rooms. 

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

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.

But HWPM made no such attempt, even in the wildest of imaginations.

I've gotten a tremendous amount of email and private messages with the kindest of words, and I sincerely appreciate it.Unfortunately, there's been so many emails and messages that I haven't had the ability to respond to everyone, despite my best attempts. 

Please excuse my ignorance. 1) In an attempt to learn from folks who have done this, what is the best way to finance the gut rehab of the existing property and the new construction of a duplex?

I'm not confident in buying those and if I fail on my first attempt, I may not be able to continue confidently in the future.

Instead he landlord appears to have attempted to enter while the tenant was out and without notice.