I cannot sell a house with broken equipment, and I cannot pay someone for breaking what they were suppose to install. 

I also tried to install it today and couldn't find it in the app store.

@Jamie BanksI understand there are multiple parties: 1) displaced insurance policy holder (tenants)  2) ALE 3) The company that supplies all the furniture and install the washer and dryer. 

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

His opinion is that we don't need to install piers right now, but we should focus on making sure water doesn't flow towards the house from the outside. 

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.

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.