Seller financing as an alternative investment strategy has quietly outperformed a lot of louder asset classes over the past two decades, and most investors still have no idea how it works. The mechanics are simple: a property seller acts as the bank, the buyer makes monthly payments directly to them, and a promissory note secured by real estate gets created in the process. That note is a financial asset. It can be held for income, sold to a note buyer for a lump sum, or purchased at a discount by an investor who wants yield without owning a building.
Nobody teaches this in a personal finance course. That is exactly why the returns are still there.
How Seller Financing Actually Works
A seller lists a rental duplex for $280,000. A buyer has $40,000 down and self-employment income that three banks have already declined. Instead of walking away, the seller carries the remaining $240,000 at 8.5% over 30 years with a five-year balloon.
The buyer gets the property. The seller gets $1,845 a month and a lien position that beats anything a CD is paying.
Two documents make it real:
- The promissory note. The IOU. It spells out the balance, rate, payment amount, term, and what happens on default.
- The mortgage or deed of trust. The security instrument. It ties the debt to the property, so if payments stop, the note holder can foreclose.
Miss the second document and you have an unsecured personal loan against someone who could not qualify at a bank. Investors who buy these notes on the secondary market check for the recorded security instrument before anything else.
Why Investors Are Buying Notes Instead of Buildings
Rental property comes with tenants, roofs, vacancy, property taxes, insurance, and the phone call at 11pm about a water heater. Note investing strips all of that out and keeps the cash flow.
| Factor | Rental Property | Note Investment |
|---|---|---|
| Monthly management | Tenants, repairs, turnover | Payment collection, usually via servicer |
| Capital required | 20-25% down plus reserves | Full note purchase price, often $30K-$150K |
| Typical yield | 6-9% cap rate before capex | 9-14% on performing notes bought at discount |
| Vacancy risk | Direct hit to income | None; borrower owes regardless |
| Position on default | Own the problem | Lien holder with foreclosure rights |
| Liquidity | 60-90 days to sell | Sellable to a note buyer, often in 20-30 days |
The trade is control for simplicity. A landlord can renovate a kitchen and raise rents. A note holder cannot change the interest rate on a contract that is already signed. What the note holder gets instead is a fixed, contractual return with a hard asset behind it.
The discount is where the yield comes from
Here is the piece that confuses new investors. A note with a $200,000 balance at 8% does not get purchased for $200,000. Depending on payment history, borrower equity, property type, and seasoning, that note might trade at $165,000. The buyer still collects payments calculated on the full $200,000 balance. The effective yield climbs into the low double digits, and if the borrower refinances early, the discount gets captured all at once.
Performing Notes, Non-Performing Notes, and the Gap Between Them
Performing notes are boring. The borrower pays on time, the servicer forwards the money, and the investor does nothing. Pricing is tighter because the risk is lower.
Non-performing notes are a different business entirely. These trade at steep discounts, sometimes 40 to 60 cents on the dollar, because the borrower has stopped paying. The investor’s return depends on what happens next: a loan modification that gets the borrower current, a deed in lieu, a short sale, or a foreclosure that ends with the investor owning the property.
Non-performing note investing is workout investing. It requires legal knowledge, state-specific foreclosure timelines, and patience measured in quarters.
Most investors who say they want non-performing notes actually want performing notes and have not run the math on what a Florida foreclosure costs in time and attorney fees versus a New York one. The difference is roughly 8 months against 3 years.
What Determines a Note’s Value on the Secondary Market
Six variables drive pricing, and they are weighted differently than most sellers expect.
- Payment history. Twelve months of on-time payments is the single biggest value driver. Three months of seasoning gets a materially lower offer than twenty-four.
- Interest rate. A note written at 4% in a 7% market prices below par no matter how clean the payment record is.
- Borrower equity. Investors calculate investment-to-value. A borrower with 30% equity has real incentive to keep paying. A borrower with 3% does not.
- Lien position. First position notes command better pricing than seconds by a wide margin, because a second gets wiped out if the first forecloses.
- Property type and location. Owner-occupied single family in a metro area prices better than raw land in a county with 40 buyers a year.
- Documentation quality. A recorded mortgage, a signed note, a title policy, and a servicing history. Missing paperwork kills more deals than bad borrowers do.
Note transactions typically range from $25,000 on the small end up to $5 million for a single commercial note, with portfolio purchases running to $10 million or more. Firms that have been buying since 2006 have seen the full cycle, including what happened to seller-financed paper in 2008 and 2020.
Partial Sales: The Option Most Note Holders Miss
Selling a note is not all or nothing.
A partial sale means selling a defined number of future payments while keeping the rest. Someone holding a 30-year note who needs $80,000 for a down payment can sell the next 96 payments, take the cash, and get the note back with the remaining 22 years of payments still attached.
For investors on the buying side, partials are attractive because the risk window is shorter and the seller stays motivated to keep the borrower current.
Real Risks Worth Pricing In
Anyone selling seller financing as risk-free is selling something.
Default risk is real, and the recourse is foreclosure, which is slow and expensive. Budget 12 to 24 months and legal costs that can run five figures in judicial foreclosure states.
Property condition risk matters because the collateral backing the note may have deteriorated since origination. Nobody is inspecting the interior of a house whose owner is three payments behind.
Documentation risk shows up when a well-meaning seller drafted their own note from a template found online, and it turns out to be unenforceable in their state or in violation of Dodd-Frank ability-to-repay rules on owner-occupied property.
Interest rate risk cuts both ways. Rising rates push down the market value of existing fixed-rate paper. Falling rates trigger refinances that end the income stream early.
Illiquidity is the honest one. The secondary market for notes is real and active, but it is not a stock exchange. Selling takes weeks, requires due diligence, and the price depends on who is buying that month.
Getting Started Without Getting Hurt
Start by buying one performing, first position, seasoned residential note through an established broker or note buyer rather than sourcing directly from a stranger on a forum. Pay a licensed servicer to collect payments; the cost is typically $20 to $35 a month and it keeps the investor compliant with state and federal collection rules.
Read the full collateral file before wiring money. Original note, recorded mortgage, title policy, payment history, and a current valuation on the property.
Then do it again. Position sizing matters more in note investing than in almost anything else, because a single default in a three-note portfolio hurts far more than one in a twelve-note portfolio.
Final Thoughts on Seller Financing as an Investment
Seller financing sits in an odd spot. It is too small for institutional capital to bother with at the individual note level, too technical for most retail investors to attempt, and too unglamorous for anyone to write breathless headlines about. Which is precisely why yields have stayed in the 9 to 14 percent range while everyone chases other things.
The investors doing well with it are not the ones with the most capital. They are the ones who read the documents.
About the Author
Abby Shemesh is co-founder and Chief Acquisitions Officer at Amerinote Xchange, a nationwide mortgage note buying firm operating since 2006 with offices in California and Florida. He has overseen more than 900 transactions and over $800 million in funded note acquisitions, covering residential and commercial paper, performing and non-performing notes, and both first and second lien positions.
