Yes, This can be included under Self-Financed Loans To post this income, follow these steps: Select Tax Tools This is on the left sidebar You may have to minimize the Federal and State options You also may have to scroll down on that menu Once you can work on Tax Tools On the drop-down select Tools There will be 3 or 4 green boxes Select Topics Search Type Mortgage Interest received You will see Any Seller-Financed Loans? Yes Enter Seller-Financed Interest You Received Continue through the questions.