But that has its own issues as well including having to do a hybrid foreclosure/ejectment action. 

You'll then see that delinquency rates are:- At their lowest point since 2006- Historically on the low side of normal - On an overall downward trend for the past 4 yearsIn fact, excluding the artificially propped-up mortgage market of 2004-2006 during which delinquency rates were slightly lower than they are today, bottoming out at 1.41% in 2005, there are fewer mortgage delinquencies today than at any time in the past 33 years.By the way, when these scant 1.73% of homeowners become delinquent on their mortgages, they overwhelmingly have the equity to be able to sell the home at a gain if needed.

The only way you're going to know about the cause one way or the other is to have a plumber inspect and troubleshoot.

As long as the property is appreciating well I'd sagree with @Jonathan Greene and say you have a very good property.  

The data centers I have worked with in the past wanted to own the property and real estate.

Do you have clear instructions for WiFi, TV, etc?

You can provide a formal cure notice to your LL/Management and if they don't address it then you can move to next steps.

I'm having a hard time finding any estimating tools for this kind of a project, adding a story and multiple BR/1 BA, and wondered if there were any tools, sites or recommendations any of you have for this kind of a project. 

Hi Max, it all depends on how much liquid cash you have of course. 

We have had these type of leaks lots of times.