The rental market is tough but not dormant either. 

@Jeff Greenberg This listing has been sitting dormant for well over a year.

The upside is what I made over the weeks or months the money was dormant. 

One thing about the bizz though what's great now won't be in 3 to 5 years what was dormant now may germinate in 3 to 5 years..Governments change the rules and regs  creating opps and taking away opps..

I'm underwater on my mtg, have been denied a HELOC, been denied reactivation of a dormant HELOC and have medical bills that I'd like to pay so I can make good on my obligation.

Our break-even on this is about 7 years, but we'll probably sell before then so this makes sense.In our inspections, some dormant mold came up in the attic and the seller settled on 3k towards closing costs.

Molds easy to kill and when it goes dormant just scrub it away.

Since these are truly black and white business expenses could I use my dormant S-Corp to run the losses through and just take a 30k loss on a k-1?

I watched people continuing to grow, while I sat dormant.  

If the LLC was dormant for 2018 you shouldn't be filing anything at the federal level.