Did the proceeds from the sale count as short term or long term capital gains?

Squatters are a real problem nationally and a study found that they target not only vacant properties but those advertised for rent or sale that offer 'immediate occupancy.' 

I’d suggest negotiating the furniture into the sale and then slowly swapping pieces later as you personalize the space.

Still trying to get through some sales to generate cash.

If the sale is for $600K then you need to purchase $600K of replacement investment real estate. 

You start with a purchase and sale agreement and reduce everything to writing.

In this way, investments can remain in the C corp and grow tax free until a sale or you take dividends.

All states have foreclosure sales.

Yep, when we sign up for servicing as a company they ask you "what loss mitigation measures does your company allow" We offer loan mods, forbearance, deed in lieu, short sales and short payoffs.

You need to read the sheriff sale information carefully, or if in a county with a magistrate then read their ruling.