As others have indicated, a judgment is difficult to enforce against someone to get any money out of. 

The tenants have been late numerous times (which I have documented)  They have indicated that they will move out next week, but I am concerned that they might not or even worse destroy the place before moving.  

If they insist on staying, then that indicates they aren't actually concerned.If they insist on testing, make them pay for it.

Has the tenant indicated if they want to renew or not?

I like to see 2%+ $/sf/mo appreciation & above $3/sf/mo on avg, indicates it's a higher-valued & safer market to put ~$1.5M in equity.So you can definitely build these out, but beware it'll mostly be something you glance at and rarely get something actionable from.

Most will have a hard set no if there is any indication of un permitted work since it is a long term loan.

Depending on how the owner financing was originally structured, the buyer will get title to the property for the first time or the seller will execute a Satisfaction of Mortgage indicating the mortgage has been paid in full and releasing the lien on the property.All the best!

"Pre-foreclosure" is a term that is misunderstood often...it indicates that "lis pendens or notice of default is filed (consider it a lawsuit) until the property is sold."  

A tenant complaining online might indicate that the property manager handled them appropriately, so be sure to ask the manager for their side of the story.7.

What does this indicate?