Let's say they pay you $2000/ month * 12 = $24,000/year.

Over that we send a default and start the court process if they don't pay. 

Out of curiosity would anyone be willing to share any experience with non-paying renters who've vacated the property prematurely?

We're trying to decide whether or not to pay it off or save to buy another property. 

Another option is to invest in the market instead of paying down a mortgage.

There are several platforms for skip tracing LLCs and Trusts.

You’re paying $70k in “non-deductible” interest in exchange for less deductible interest. 

So now we cover utilities for both units and the new tenant pays a higher amount too on the back unit to cover all the utilities with a great profit.  

., Purchase Price: $475,000 ($197.9/sq. ft.).Estimated Market Value: $402,000 ($168/sq. ft.).Financing Terms: 2% interest rate, with a 9-year balloon.Unit B Income: $2,049/month (Section 8 tenant through November 2025).Unit A Income Potential: Similar rent or higher; Section 8 cap for the area is $3,234/month.Monthly Loan Payment (P+I): $1,386.Cash Flow Breakdown (if both units are rented at $2,049/month):Gross Rent: $4,098/month.Vacancy (10%): $410/month.Operating Expenses (37.3%): $1,376/month.Net Cash Flow: $943/month.Key QuestionsWould you be comfortable paying an 18% premium for financing at 2%, especially in a market where current mortgage rates are closer to 7%?

The borrower gets the benefit of having access to capital fast and the lender gets the benefit of charging a higher interest rate and not having to pay taxes on the profit.