You will need a soil test, you will have to complete and file a plat map subdividing the land, you will have to make sure the septic systems are not too close to drinking water or other properties, etc. 

They could say new roof and they simply put a new layer on top but underneath could need replacing down to the decking.On a  NN lease for a building of that size you could be talking millions of dollars of costs you are obligated for over time.

@Kathryn Schauer having functional gutters, downspouts and extensions and grading the soil away from the foundation solves about 95% of water intrusion issues.

Had both the bathrooms retiled and put in new vanities, new kitchen floors, all carpets ripped up and hardwood underneath refinished, painted place myself.

Further investigation found that the barrier has trapped the moisture and caused the wood floor underneath to buckle.You really need to know your situation before installing CL floors.

@DJ Dawson thanks, yeah I’ve done the exterior walk around and the landscaping of the front definitely needs to be re-leveled abunch of stones underneath, dry rot, gutter, electrical potentially, few Tre stumps in the back yard, recreating driveways etc

Theirs no axles underneath it.

First floor is carpet with original hardwood underneath.

You would have to get all soil from underneath the tank to be sure.

In the old days, farmers called this "prepping the soil", and you start doing that a couple of months before planting.