Quote from @Dustin Tucker: I'm going to go out on a limb, and say the dumb money keeps buying treasuries like they are going out of style, which continues to push the rate lower. 

That is totally above board and good to go -  Best of luck!

Your thesis is basically rent low and accept less desirable tenants so I don't think that is the best thesis to base an investment off.

With the increased competition, it’s also crucial to prepare your listing to stand out and work to address buyer objections prior to going on market.

Education via trail & error is easily the #1 worst way to go about anything today UNLESS your an explorer, inventor, revolutionizing and still all of those have a whole lot of training and education backing them. 

If they aren't taller than two floors, you might not be able to go up.

There is much to learn: pricing, marketing, screening, contract law, lease enforcement, late/unpaid rent, property abandonment, squatters, maintenance, tenant neglect or abuse, communication, and 417 other things.Buying a decent property but not managing it well can impact your finances, marriage, sanity, physical health, and desire to invest.

I would assume you are trying to go with Fannie Mae for a better rate? 

If you feel you are ready for this and have a desire to ignore advice that doesnt fit what you want to hear just go for it.

Not how much can this property earn as an Any DSCR lender is going to go to lend off the income approach.