If it helps, this occurred in California.

This occurs even though i have it in my lease and i verbaly tell them at lease signing that they are not to repair, alter, or change my house in ANY way. 

When any vacancy occurs, will you ALWAYS be able to get that same premium rent?

It will likely occur each time it rains.The landlord offered fans to dry the space and it most likely would have resolved the immediate problem.

This part just occurred to me and I'm trying to get ideas as to how to handle it, as there will inevitably be sellers I am mailing past 6 times.Thanks so much for the help!

HUD policy has typically been that the will address damages that occur after the contract has been ratified.  

The state of Texas has doubled it's population in the past 40 years.  90% of all of that growth has occurred within 50 miles of I-35.  

Assuming you were attempting to engage in a legal activity (based on TN RE laws), it makes sense to incorporate where the transactions occur as that is the jurisdiction with the interest of levying and collecting tax.

Settlement occurs in the first 15-25 years from the date the house was built, specially differential settlement, which is a big problem.  

The mormons aren't going anywhere, and they will keep having kids. https://www.forbes.com/sites/amyfeldman/2017/04/03...Also, I feel a bit more optimistic about our market because with rental investments, even if a correction occurred, or something unpredictable happens, the renters aren't going anywhere, because those parents 3-5 kids who can't afford the mortgage will still have to put their family in a home somewhere.