To be clear, you are not paying off the 80K mortgage.

The only “good news” is you’re paying for last year’s shortage and thsi year’s taxes, or this year’s shortage and next year’s escrow account. 

Our tenants pay $2,700 in rent and the mortgage+fees comes out to $2,360.

Or, if you pay 20k over list price on a property that is 50k underpriced, you still got a hell of a deal.

Owning a duplex at 20 is a huge accomplishment, and it’s inspiring to see you’re already planning your next move.From my perspective, real estate investing is a long-term game focused on building equity, paying down debt, and maintaining stability over chasing short-term cash flow.

Used funds to pay other debt off plus out cash in the side.  

If you have cash, you could pay off the underlying loan2.

The person has failed to pay rent after a valid notice to quit and notice of increase of said rent, provided the increase in rent is not unconscionable and complies with any and all other laws or municipal ordinances governing rent increases.")

Maybe you just hire someone and pay them to manage your projects? 

After all, you have no evidence they agreed to pay rent or any of the other terms.