in Pittsburgh for example a lot of the duplexes and triplexes are big houses that were divided up, and so the units are different sizes. 

Personal expenses are divided into expenses that the partners are required to pay on their own, from their personal money, and expenses that the partners simply choose to pay on their own.The 1st group, shared expenses, are deducted on the partnership tax return.

So if for easy math, the projected annual revenue is $120K on AirDNA, they will use $96K (80% of it) and divide by 12 months for the rent that the the expenses have to be at or under to meet a DSCR calculation of 1.

The money from the loan was divided between 3 rental properties so the tax preparer would have me tell her the percentage that the loan was used for each property (30%, 30%, 40%) and she would divide the loan interest between each property for taxes. 

Ask a contractor the cost /sq ft to build and compare that against your coverage A divided by sq feet. as an additional check if you are concerned.

Looking at a SFH with 18 acres; was hoping to capitalize on the 3.5% down payment by either dividing the home in two or finding another option to gain an additional unit or two.

To know what you can have legally, divide the property area by the following:Property area less that 1140 sq.ft.: Divide by 360Remaining property area over 1440 sq.ft.: divide by 480Round down to the nearest whole number

For example,  if utilities are divided per unit  on  multi family home each tenants pays what they use so you don't need to estimate for utility usage. 

You would calculate the 1% rule using the purchase price + rehab costs + any other costs required to get the unit ready for rental and divide the gross rent by this sum.  

The city has so many dividing lines that a few blocks can be a night and day difference.