If you understand how the numbers interact you'll feel more comfortable in your evaluation of the deal and it's risk/reward and it's overall "value".Word of caution, just because the numbers make sense that's not the entire part of the equation... but it will help you narrower down your search.

These seem like expenses related to the deal as well.A minor related question, for B52 ("their closing costs"), why is this included in our money in the deal, and thus in the equation for our total profit?

Like I said, there is no failproof way to do it without introducing some type of risk in the equation.  

Which equates to about 6 doors (SFH) according to your numbers.  

Hi, your GRM is part of the equation, in the valuation of property, it must be compared to the CAP rate.

I'm new to the REI game and have been looking at some quadplexes just to get some experience doing the financial analysis.However, I'm missing a key part of the equation: what are some of the more typical financing options for multifamily properties?

A 20% gross yield (10% net) equates to a gross rent multiplier of 60, not 50.

The monthly insurance is $45, the monthly taxes are $110, the monthly property management is $50 and, on average, the monthly maintenance is $50.An experienced landlord would also include a few other costs/expenses in the equation:- Vacancy- Capital Expenditures- Overhead (Legal, Accounting, etc)Plus, your PM costs of $50 seems a bit low...does that include the cost of renewing a tenant or finding a new tenant when the old one moves out?

Appraised value is determined by considering the Cost approach, (what does it cost to replace the property), The Market approach (comparable type properties in the same area as the subject which has sold in the last 6 to 9 months), or the Income approach to equate value.

$1150 principal and insurance equates to about $200k with 20% down.