An interest-only loan lets you pay just the interest for an initial period, often the first several years, so your payment is lower but the principal balance stays flat. When the interest-only period ends, the payment jumps as you begin repaying principal too, usually amortized over the remaining term. Because no equity is built through paydown during that window, your equity depends entirely on appreciation.
Investors sometimes use interest-only structures to maximize early cash flow, or to keep payments low on a property they plan to improve and then sell or refinance before the higher payments begin. The risks are the payment shock at reset and the lack of forced savings from principal paydown, so the structure rewards a clear exit plan and punishes a hope-and-hold approach.
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Written and maintained by the Aptoria editorial team
Editorial method reviewed July 28, 2026. Aptoria reviews scope, source fit, examples, limitations, links, and publication gates. This record does not claim attorney, CPA, lender, appraiser, or other independent professional sign-off.
Professional review is not claimed. Verify current law, tax treatment, loan terms, valuation inputs, and property-specific facts with the appropriate qualified professional before acting.
Related terms
Investing metrics
Amortization
The schedule by which a loan is paid off over time, with each payment split between interest and principal.
Financing
Balloon payment
A balloon payment is a large one-time amount due near the end of a loan because the earlier scheduled payments did not fully pay down the principal.
Investing metrics
Cash flow
The cash left over each period after all income is collected and all expenses — including the mortgage — are paid.
Financing
Mortgage refinance
Replacing an existing mortgage with a new loan, usually to lower the rate, change the term, or pull out built-up equity as cash.
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