The main house is original (this place was built in 1924, very cool) and we rent it for $1,650/month.

It’s just not that common even though that is one of the main things talked about. 

I frequently see where one party is awarded the property and debt and is mandated to sell or refinance it within a certain timeframe to have the other party removed from the note/mortgage.

Chase told me that they will focus mainly on the property's financial and borrower's net worth and liquidity.

What if you're a cardiologist with no debt and making $250,000 annually?

Though DSCR gives you a better picture of how the property is projected to perform vs debt service, you can't rely solely on one measure to make a purchase decision. 

There is no UBIT because your investment isn't leveraged with a mortgage or debt.

Also do you have any debt?  

You may not need "2 years of work history" either depending on the detailsGenerally speaking there are 2 main types of loans for investors: “Conventional” and “Portfolio”Conventional - I'll define these as loans that come from Fannie Mae and Freddie Mac (if you recognize those names).

In other words, your renters have covered a majority of your costs of ownership this year, including covering your debt, and you have to put some additional money in, which raises your cost basis.