I can't do an apples-to-apples comparison on the ROI because obviously, they're different markets - but they're all in the same ballpark.  

IO loans work well for properties that you can force appreciation through value add improvements, but need extra cash to do make it happen.

I worked on a few bigger multi developments here in PDX and I got to think the lending is the same as in Apple country.. 

Try https://dealcheck.io/ It's both a website and app for iOS (possibly android).

Compare that to what you have (Apples to Apples). 

An apples to apples comparison should include the park price.  

Apples to apples.If the best case for Series is that the asset protection is the same as for "regular" LLC's (tell me if I'm mistaken - do two Series somehow provide better protection than two regular LLC's?)

Companies such as Apple and Amazon are considering 2nd headquarters in the area.

Good stuff up there.With me, especially because I've only accrued about 12 months experience in Chicago where we are buying right now, anytime I cannot identify true, apple-to-apples comparables, I might just pass on the deal altogether.Especially in Chicago where you have several types of homes (bungalows, ranches, cape cods, georgians, etc.), you really cannot comp one with the other unless it's the same style.Here are some general tips when comping homes:Never cross any major highways, and try not to cross any major streets if you can.

Macbooks are a standard in the real estate world and if you have an iPhone then just stick with Apple products.