They use an economic vacancy figure instead of breaking out loss to lease, bad debt, and concessions so as to conceal their assumptions but a skilled operators can reverse calc it.

When things outside of our control as investors change, (macro-economic factors, saturation, disposable income etc.) and there is no safety net, that's when investors can get really hurt.

Today we are economically diverse and showing job growth in several sectors.Having said that, I am not an economist (or a fortune teller) so these are just my thoughts after having gone through the Great Recession and knowing how housing-dependent we were then.Melanie

And you create a situation where you are totally dependent.For most people in the US OOS investing does not make sense, the economic delta is not large enough to justify the additnal cost and management burden. 

More importantly, how’s economic occupancy via delinquencies?

Referrals are by far the most efficient, economical and profitable way to do business.

.)- Average days on market- Absorption rate- Historical data on rents and sale prices in the area- Population growth- Main economic drivers (industries, individual companies, etc.)- Crime stats... if you know specific zip codes/submarkets that you'd like to target, the best data will come from local precincts. - and more..I'd recommend remaining active not only here on BiggerPockets, but in other valuable RE investment networks that you can find - i.e. local meetups (meetup.com, eventbrite, BP local events). 

Increase the money supply, without increasing economic input, simply equals inflation.

The “methodology” the guru presents either isn’t all that profitable, isn’t as simple to enact as he suggests, and or works only with certain limits as to economic climate, geographical area, etc.2.

BAM is a conservative operator and understanding of our current economic environment.