And give them some incentive to do this, such as a break on their outstanding balance, lower payments, lower interest, reduce their arrearage or combination thereof.   

So, you need to be paying extra on your two loans so the outstanding balance on your loans is always below the outstanding balance on the buyer's loan. 

Outside of that look for any outstanding violations against the property, are there squatters/tenants onsite, etc.

Note to people buying properties at tax sale, the amount that is owed will included the outstanding property taxes plus interest and penalties.

Lower income can't afford to move often nor can they move if they have an outstanding balance with a utility company or the landlord.

A 20% down payment on a commercial property is pretty damn expensive.

Solar properties are far more sensitive to consumption because the equipment costs so damn much.

Now, I take full responsibility for my ignorance here and just blindly signing things, especially as someone who deals with commercial finance regularly and has his own clients sign similar fee agreements.Honestly it just never occurred to me mostly because I was just so damn excited to sell the house and be done with it.

Vs. simply what the data shows or condition and style be damned.

Have preliminary conversations with them to see what their requirements are as well as the terms of their product (i.e. draw period, floating interest rate as it relates to prime, repayment schedule, annual fee, and closing costs) before you start forking over all kinds of financial documents.3) Most banks will go with 80-90% LTV, which means they will take that percentage of the appraised value and subtract it from your outstanding mortgage to determine the credit line.