Selling a rental to a relative on seller financing looks simple until the gift tax rules and the AFR floor hit the same conversation
The structure most people reach for is a straight installment sale: seller holds a note, relative makes monthly payments, both sides skip the bank. That works, and the tax treatment is clean if you price it right. The part that trips people up is the interest rate. The IRS publishes Applicable Federal Rates each month, and a note between related parties that charges below the AFR gets recast as if you charged the AFR anyway, with the difference treated as a gift. So the below-market rate you offered to be generous can cost you twice, once in phantom interest income and once in gift tax exposure if the imputed amount clears the annual exclusion. Confirm the current AFR with a CPA before you set the rate, because it moves.
The second thing worth thinking about is the equity position you leave yourself. Say a property is worth 300k and the relative has 30k to put down. You carry a 270k note at the AFR. You now have unsecured family goodwill as your collateral management plan, which is not a plan. A recorded deed of trust or mortgage against the property in your name keeps you in first lien position and means a default is a property problem rather than a family conversation with no legal teeth. Some sellers in this situation add a right of first refusal in the note: if the relative ever sells, the seller gets the option to buy back at the then-current price before it goes to a stranger. That does not help you recover a default, but it matters if keeping the property in the family was the original reason for the deal.
The harder question is whether relief is driving the terms. Selling to a family member sometimes means accepting a lower price, a longer amortization, or a delayed balloon because saying no feels wrong. Each of those is a real economic concession, and they compound. A 30-year am at below-market price with no balloon is a very different instrument from a 15-year am at full price with a 7-year balloon. Both can be defensible, but you should know which one you are writing before you sign it.
What is the gap between what the relative can actually service and what a clean market sale would net you, and have you decided whether that gap is a gift you are making intentionally or a number you are hoping works out?