Purchase With Conventional and REFI with DSCR?

[August Mickelson]

Hello all. First time poster, long time lurker. Investing for nine years. I own two duplexes in SW FL that I purchased with conventional financing. My debt-to-income ratio is tapped (49.8%) from my lenders perspective and I cannot get into another property. Can I REFI one of my conventional mortgages into a DSCR for that piece of debt to fall off my debt-to-income?

I do not own a single family primary residence, but I want to. I am looking to see how to get lending for this. No debt other than mortgages. W2 income, rental income, small 1099 income.