I understand cap rate is a beneficial lens for anything purchased without a loan and is sometimes more associated with commercial properties.

Particularly looking through the lens of buy and hold.

Being my first property it has been a little harder to look through the objective lens.  

As it may vary from person to person, what have you found to be the most difficult, burdensome, un-enjoyable, or inefficient through the lens of customers and clients?

Some banks may even be open to accepting credit reporting from your client's native country.Here's some more info on the subject:http://themortgagereports.com/foreign-national-len...

I'm going to have to view proposed offers through this kind of lens before I make them & see if there's some magic sprinkle I can put on it - by having the seller make out positively regardless of what happens (not to say my offers aren't win-win.. this is more like zero-risk). 

Many of my thoughts here are viewed largely through a SFR (1-4 unit) lens, because that's the area I've been focused in for a while now so it's the one I'm most familiar with.

Although it is fun to guess what angles they took the pictures from, and discuss what sort of wide-angle lens they used...Have you read the listing comments?

People who live in CA and are commenting on this are looking through the lens of their market - which will not prove to be good advice for our particular market.

No need for far away wide lens shots, straight on shots always work for me!