Properties may loose value if they are in D class neighborhoods, or the neighborhood/town is dependent on Amazon fulfillment center.

As a last bit of REI knowledge, if you think this situation is so bad, holly cow don't ever get into sec8 or affordable housing because you'll absolutely loose it, this is about as nice and simple of a situation as they come for Landlording, heck in a lot of ways it's actually a positive as now it can be market priced probably getting more $ and increasing that net cashflow. 

Plenty of good people loose plenty of money doing this.   

I would say there is a greater possibility of having the dollar loosely based on gold, maybe a 20% reserve, than see Bitcoin become the reserve currency.

At the same time, I would hate to loose on all the equity on the investment property if price goes down. 

Prove how this 1 simple fact listed below is wrong, that by following the basic standard investment real estate practices as defined ins standardized investment property finance for leverage and standard practices of operations etc. that all one has to do is WAIT and not only not loose $ but will profit, is incorrect. 

And even though virtually every sponsor agreement allows me to share investment information with others who might be advising me on it (especially when club members are bound by an NDA), I still ask the sponsor if I can share it, because it's a test.

If you are not ok with Step 1, want daily updates, want to participate in all construction meetings, ask for copies of paid invoices once a week, go do random drive by’s and ask why a porter potty is not where you think it should be, or why there is a loose nail in the driveway that was left behind by a contractor you are not trusting your manager and micro managing.

Looking for a HML that will meet your needs is key so that when you find a deal, you are not scrambling looking for financing and loose the deal (happened to me early on . . another investor got a heck of a deal). 

Metes and bounds from a surveyor or civil engineer are probably fine.