I lose X amount of $$ because the market tanked or I just miscalculated but I can afford to risk and I will learn from that and move on. 

I have already checked Property Shark and LoopNet and did obtained some information but it is not sufficient to make a conclusion whether the subject is worth investing.

Automobile sales are already in the tank.

When the real estate market tanks like it 2008, you don't want to lose your income as well.

After Colombian troops killed a rebel leader, supposedly in Ecuador.Chavez ordered 10 tank batallions to the border with Colombia and shut down the Venezualan embassy in that country.http://www.breitbart.com/article.php?

We have a remote property that we Air B and B in Western Washington and have a "holding tank" - not technically legal apparently, but the country/city told me it's not something they're coming looking for unless there's a complaint (and proof) of sewage or smell.  

National Association of Realtors reports that loan applications have tanked in the last month – October 20182.

Failing foundations, clouded title, tight tank for septic - something.  

Also be aware that some old farm houses have underground gas tanks that have deteriorated and contaminated the ground, this is a big concern that many people overlook.

Are the fees to make this shelter happen comparable to the fees for a 1031 exchange, or is there some shark in there that will jump up and bite you when you do it?