The city Landlord-Tenant office said without specifics in the lease or her being on the lease, she's out of luck.

@Scott Herb What a deal!

My guess is some work is going to vaporize in the next couple months after the time period for the PPP money ends in mid Oct. and some folks lose their jobs. 

C) Much of the soil is bare, with no vapor retarderBy looking at it, things on top of my mind that needs attention is1. replace roof 2. replace furnace3. crawspace: 3.1 new vapor retarder, 3.2 fix leaking pipes. 3.3 fill the hole probably?

She's been there a long time and I assume she's been good or you wouldn't be keeping her. Be

When offering up owner financing, does the title transfer to you and the previous owner is just like a bank with him/her  being first lienholder on the property until you've satisfied the debt?

My guess is the "rubbery" material is a vapor barrier to protect whatever wood products are under the "concrete". 

There are vapor barriers that are much tougher than regular felt paper and Tyvek.

One accountant said yes, the other said no, on the reasoning that she no longer owns the homes, so her being alive or dead is irrelevant. 

if so, ask for closure reports for old tanks(3) check condition of spill buckets and make sure they are monitored. if not, should collect samples from around those structures. they often get dinked by snowplows and vapors may escape then condense into soil.(4) has property always been on public sewer since it operated as gas station. if not, did they perform auto repair?