I would never accept such a report AND I want all that data for the case I need to go to court or collections. 

Many investors will simply judge offers, be afraid to send in deposits or shy away from the contract writing process because they feel like the seller will not accept their offer.

If the LLC did not own the properties, did not actually spend the money for the expenses or accept rents then you should claim the expenses  under your own name.If the money ran through the LLC then the LLC would claim both the income and expenses.If it was some combination of the two then you have a bit of a mess to clean up.

See if Post office has forwarding info, check social networking sites like Facebook and LinkedIn, and it may even be worth paying a private detective.

Do you use a professional headshot for social media?

Her income is only $1300/month of Social Security.  

Assuming that is the case, your answer can be similar - state you provided a refrigerator for them as provided in the lease, that they agreed it was satisfactory when they took occupancy of the premises (I trust you have a document they signed that said they did accept them and found them satisfactory - if you don't, create one and use it henceforth), but if they don't like it, you will remove it, and they may provide one of their own.Another example, I don't have garbage disposals in my rentals because they are nothing but trouble. 

The title company doesn't accept cash (except for very small transactions), and I didn't have $60,000 just laying around, anyway.

I would stop and think about what is an acceptable rate of return for the cash you invest and select price points that allow you to get that rate of return.  

I've never worked with Section 8 so can not give first hand experience with it, other than I have refused to accept it.