I used the lower of rent amounts for analysis. https://www.biggerpockets.com/analysis/rentals/ee5f6928-93ce... is link to the BP Calculation on it.

If you are planning on living there (ie in 1 unit) then you are house-hacking and this is a different calculation consideration then renting out both units and making it a true investment.

Class D risks > Class C > Class B > Class A, but how many investors even know what those risks are, let alone know how to account for them in their ROI calculations?

BiggerPockets also has a calculator to analyze deals, and I highly recommend you start this as soon as possible, even if you are not ready to buy.

Head over to bank rate or and take a look at the mortgage calculators, plug in the numbers and get an idea of what the property needs to generate to satisfy the intended debt.You still have to underwrite the deal for the non-finance expenses as well(typically 40-50% of the gross rents). 

The voucher program typically determines the amount they’ll pay based on their calculations, and you don’t necessarily need to lower your listed price for utility allowances.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

Then separately I calculated the appreciation against each home value observation in the ZHVI dataset against its value 10 years earlier for each month.

It's calculated as the ratio of your total loan amount (loan amount for purchase + loan amount for your rehab) to your total costs (purchase price + rehab budget). 95% is a good target.Avoid application and other upfront/junk fees.