They come in a few different flavors.

The best part is it sits on the lake, which greatly enhances its rentability during non-ski seasons.

Ours has a large ongoing network of GPs and LP (lower price), that enhance the value as there is tremendous interaction and mind-share among the members.  

You have refrigeration, Air Conditioning, a smart phone, the internet, Air Jordans, two computers, take vacations, go to college, 37 flavors of ice cream, have 365 channels of TV (I didn't say they were worth watching ;-) health insurance, life insurance, fire insurance, auto insurance, home owner's insurance, SDIRA, 401(k), plastic surgery, viagra, fast food and can call the shots of just about anything you want to do or be.I grew up in a 790 sq ft house with 4 brothers, a cousin & aunt and my folks. 

Are you looking to just build a small portfolio to enhance your retirement? 

Step 2 is to "pick you flavor", REI reminds me of the Baskin Robbins I went to as a kid, I would stand at the counter in paralyzed awe as my Ma would say "what do you want", "all-of-it!!!!!!"

It is currently in the process of being revamped (read enhanced) and will be available on March 1, 2015.

It is a great place to start or enhance your real estate investing .BP is a great resource.

After accounting for these items, I evaluate whether that provides sufficient coverage for P&I and some form of cash flow (even if modest), which I would use to further enhance reserves or make additional principal payments, etc.  

When Moody’s Investor Service warned that lending underwriting standards had slipped to the point that they would begin raising subordination levels on loans it deemed in need of credit enhancement you could see the writing on the wall.