Quote from @Gregory Chadwell: I wonder if having a lead filter installed on the property might help the situation too? 

Because the existing house was too low the developer followed the rough location of the old sewer line and installed a new sewer line to connect to the existing house. 

Turn on faucets, showers, look at how the toilets are installed, are they wobbly, EVERYTHING.

As used in this Section 18, "Interest in the Property" means any legal or beneficial interest in the Property, including, but not limited to, those beneficial intereststransferred in a bond for deed, contract for deed, installment sales contract or escrow agreement, the intent of which is the transfer of title by Borrower at a future date to purchaser.If all or any part of the Property or any Interest in the Property is sold or transferred

Use LVP flooring, it's cheaper than installing new hard wood floors and they're more durable for longevity purposes.

I'm a fan of gated yards and higher-end security doors and will install chain link and even some wood privacy fencing if I think the house/area warrants it.  

And preparing a building site and installing a driveway are further considerations if I even decide to build something there.

One way to get tax benefits while you're living there could be installing solar panels or upgrading the energy efficiency of the home. 

In my devious mind, I thinking like you that I hire a parking attendant, install gates and charge an entrance fee if I bought it. 

And there are a couple of folks in town who are suggesting using installment contracts as workaround, as well.