Or, if you want to be a strictly numbers guy then you at lest care about these three different numbers:Numbers nowNumbers laterNumbers in the endBecause these three numbers are not the same, I think the most prudent thing to do when considering any two markets is to thing about the meta-trends happening and how those particular markets are likely to fare. 

Not to say someone might not want that, but for those that are looking strictly for multifamily, that might throw off the data they get back quite a bit.

Correct, FHA is very strict on too many primary residences within a marketplace (defined as 100 miles from your current, owned primary residence). 

.)- Monthly rent $3150 (described below, but a huge variable)- Vacancy rate: 5% (ours is no-kidding negative back to Jan 2019 since we routinely collect extra income for folks that want to move early to buy, etc.

So they have very strict inspections and appraisals in order to approve the home.

House hacks in the $600,000 range are possible, but in most parts of the city, $600,000 assets will not cash flow when you move out, strictly because that $600,000 price point is in neighborhoods where rents don't support a mortgage at debt of 96.5-97%Cheaper isn't always better 

In oregon they are quite strict.

Some neighborhoods (and/or HOAs) have strict rules/regulations pertaining to rentals :) Good luck and have fun with your search! 

They strictly indicated that address cannot be used for any other purpose - including EIN, IRS and bank purposes. 3) As such for creating an EIN, property tax and bank account purposes - i will need to use my personal/primary residential address in Chicago. 

In a nutshell, basing your purchase strictly based on COC is not allowing for the value of money over time.