If we isolate each additional bedroom past 4 and look at the bedroom ROI in a vacuum that's a 96% return, or 2,000 % Cash on Cash (house hacking with 5% down) for each additional bedroom past 4 you can find / create in a single family home.

There is plenty of info on the subject of self directed investing here on BP so be sure to educate yourself. ....this may or may not be a minor detail, but I am employed full time for the next two years for American Airlines. 

Likewise, with cap rates, they're meaningless in a vacuum. 

We practice the southwest airlines model.

Most people think of property as sitting in a vacuum.

When you buy that facility, take advantage of http://www.sparefoot.com to rent your vacant units.If you use management software providers, Centershift or SiteLink, you can accept real time bookings in the same way that airlines are able to sell their extra seats on Expedia.com.

I have some in laws that live in Melbourne and I frequently work with several of your airlines, REX being one of them. 

Also, we have a (small) international airport with at least 4 major airlines AND our "downtime" is filled with snowbirds who rent by the month.  2 of my 3 rentals are fully booked through April of next year. 

Flushing refrigerant lines per manufacturers recommendations, pressure test and vacuum all lines to prevent leaks and moisture.

But in reality these gurus are vacuum cleaners that will suck the money right from your own pocket and not giving a damn about anyone.As PT Barnum said "There is a sucker born every minute" and the gurus use that to their advantage.