Turning the 20k into 40k through my 401k isn’t realistic in 3 years - then again I’m not sure what the long term effect of losing out on the compounding interest would be.

You can report it to a collection agency but first send them a certified letter stating that this is a formal request and if they do not comply you will have a debt collection agency go after it and it will effect their credit and lending opportunities in the future - you will have to do it for all 3 because they're responsible for it collectively.

With the market as unstable as it is now and unemployment surging, the effects on the real estate market may not be felt for another few months.

Steven Covey's Habits of Highly Effective People 2.

We are hoping that the extreme social distancing will prove effective to slow the spread of this illness and that we’ll all soon be back to normal.

It's tough to know exactly how at this point, time will tell, but when thousands of businesses close down and millions of people can't pay bills it will absolutely effect real estate. 

So that's going to effect the demand side, as its pretty much all cash buyers. 

In fact, if it weren't for these properties taken off the market, I don't think the Austin real estate market would even be showing any effects from the global pandemic.

It is also a metric used for valuing the asset but its very relative as location and Class of property will effect CAP rates. 

Present offers, make sure the inspection contingency clause is in full effect on every offer, and only tour the property after your offer has been accepted.