That is the opportunity value of cash.To look at in simpler terms if mortgage rates are at 4% and equity is valued at 10% then having equity in a property we see a investor loss of 6% per month.

Look up "Tort Law" intentionally causing a financial loss to another (ha, intentional or unintentional, doesn't matter!).

This will help avoid the loss of earnest money and might create some income. 

Why would you take a loss because of their poor behaviour.

She opted for the The Georgia "Works Deluxe" Package for about $330.The only complaint so far is that the content provider loss her progress for a few days due to some systems outage.  

What would you suggest is the best way to approach or "solicit" the owners while still being empathetic to their loss of family member?

You have to weed those people out fast upfront as anytime spent with them is a loss of income with wasted time. 

I am currently drafting my "Risk" section of the Agreement and don't want to write anything that is untrue, or give a false sense of security when it comes to overall risk of loss beyond potential of partial/full investment loss on a specific project.

You must know the market and be prepared to take a loss should the market turn against you.  

At the same time, i understand sometimes you just have to cut your losses.