What is commonly known as DSCR Loans are loans from private lenders, not typically banks, and these loans are part of the "Non-QM" umbrella and turned into mortgage-backed securities, not typically held on a bank's balance sheet.Here are some articles published on BP that should help!

@Derek TuohyI use QuickBooks Online for all of my clients.

I now own 2 row homes (paid in cash) and own 1 duplex with a mortgage.

Second, what are the terms of the remaining mortgage? 

@Michael Zacharchukstart with a house hackand remember that the goal of a house hack is not to "cash flow" - it's just to pay a mortgage and build equity rather than rent

Traditional rental mortgage.

He used DPA, and he essentially has a small 2nd mortgage covering the cash he couldn't bring to the table. 

Traditional rental mortgage.

I applied for a cash out refinance on my mortgage and was told I could not because the property is a duplex which I claim homestead.

If you google, "how much are closing costs" you'll get a result from Rocket Mortgage (most expensive lender) stating the fees could range from 3-6% of the property's value.