Just be aware that (1) you can easily do whatever it is Tardus is selling much cheaper elsewhere (2) Tardus special investments for members only are mundane investments available at the same terms to anyone with a computer and internet connection and (3) the strategy of borrowing from a HELOC to juice returns carries with it a much greater risk than is apparently disclosed. 

I am left to wonder, though some investors with SFR's are doing it successfully, is the risk too high for the reward?

The cost of a sewer line is the same whether it is on a triplex or a single family home, but with a MFU you can spread the risk.

Key Factors for a Good Seller-Financed DealCash Flow: Rental income should exceed monthly payments (PITI) by at least 1.25–1.5x.Purchase Price: Compare to ARV and market value for fair pricing and equity potential.Interest Rate: Aim for competitive rates; higher rates must still allow positive cash flow.Amortization/Balloon Terms: Favor longer amortization and align balloon payments with your exit strategy.Down Payment: Lower upfront costs reduce risk but should meet the seller's expectations.Flexibility: Seek no prepayment penalties and fair late-payment clauses.Property Condition: Ensure the property’s condition matches terms through inspections.Seller Motivation: Assess the seller’s willingness to negotiate favorable terms.Exit Strategy: Have a clear plan for refinancing or payoff at term end.Portfolio Fit: Ensure the deal aligns with your financial goals and risk tolerance.Vetting multiple deals and consulting professionals is crucial to making sound decisions.

They use leverage in some of their funds, which can increase returns, especially if they have a low cost of capital (but potentially increase risk and trigger UBIT issues).

I have a property listed for sale in Goodyear, AZ and it carries a 2.25% interest rate.

I’ve never done a short sale before, so I want to make sure I’m not missing anything important.For those who have bought short sales before:1️⃣ What are the biggest risks I should be aware of?

The current way the studs are built is not up to code, so they have to rebuild the entire structure of the kitchen wall This is not uncommon especially when renovating an older home and when budgeting you should also carry a very heavy contingency for unknowns. 

The property is paid off so you have options.Based on what you’ve shared, you carrying the note sounds like a viable option.Have you considered seller financing?

The PLRs and Risks are discussed below.