For fireflow you need to upsize that which means a utilty company to upsize from the main in the street to the meter, getting a plumber to install a meter and a backflow preventer along with a branch stub for a sprinkler company. 

Cosmetic needs are acceptable but structural and safety hazards will prevent a bank lending.

So if you have 5 investors with the same criteria working with the same agent, it may create some unnecessary hard feelings if everyone wants to offer on the same property. 

That and having stressful full time jobs have prevented us from fully looking at the situation, however, this has now my complete and full attention.The down payment shown is not the original down payment, it's how it stands now, I wanted to show the current loan balance and equity somehow.

That and having stressful full time jobs have prevented us from fully looking at the situation, however, this has now my complete and full attention. 

Generally though, I break it down into the "five pillars" of protecting your assets.The first pillar is avoiding unnecessary and risky activities (don't drink and drive, insurance generally won’t cover your poor decisions) and take good care of your investments(maintain your property, etc) - these simple steps will help you prevent lawsuits before they even occur.

Additionally installing the above pipe will not prevent water from dropping down through the deck.

Was there anything that prevented you from pursuing other properties later on? 

A realtor can walk you through the process and prevent you from making costly mistakes.Like I said, it is your choice.

ABSOLUTELY unnecessary in my opinion.There is no need to add stress and risk to your plate when there is absolutely no reason to do so.