The video is a landlord nightmare, glad you avoided it and glad the guy that got stuck actually had the guts to go on TV and discuss his case.The courts are slow to action and even with screening a tenant can go off the deep end and cause trouble. 

The popular military discounts at EVERY retailer are ALL only for personal use.

The funny part is that Denver-proper has become so popular and costs have gone up so much in the last 5 years that what you're describing has already taken place and the suburbs are seeing similar increases, at least in the more desirable areas.

@Phillip Schaeffer - Google AdWords really isn't too hard to learn and I am sure there are some free video classes you can take to learn how to set it up.

This video explains their business model better.Does anyone have experience in dealing with them, and is this a viable business opportunity for something that looks like a truly passive investment?

My specific area is in a higher end part of the state and the prices are just outrageous, due to its location and popular summer rental demands.

I generally think markets have a sweet spot that provides the best return and it varies by property.With a little research, we can define the upgrades that will be the most popular and then discuss contractors etc that might be able to help you out.

I watched about 10 videos, spoke to an investor that came to look at my primary home last week, and emailed @Brandon Turner, who I watched to webinars of and who sent me videos on the subject.1 of the resources I used was zillow, but it can not be the only resource.  

Probably wise to acquire something that you can afford to hold long-term [EDIT: I just realized that the Deferred Sales Trust I brought up in another comment elsewhere might become a popular option if it survives tax reform and the 1031 doesn't.]

Check out the videos by flip man.