Adjustable-Rate Mortgages: Are Buyers Planning for Tomorrow’s Costs?

Adjustable-Rate Mortgages: Are Buyers Planning for Tomorrow’s Costs?

By Beth Ross, Broker/Owner | Carolina Pines Realty, Inc. | October 14, 2026

A lower mortgage payment today can look appealing when interest rates are high. But as a real estate

broker, I worry about buyers who choose an adjustable-rate mortgage (ARM) without fully researching how

the loan works - or how much the total cost of owning their home could change.

Why this deserves attention now

An October 14, 2026 Homes.com News article reports increased demand for adjustable-rate mortgages as

buyers look for lower initial payments. A 5/1 ARM generally has a fixed rate for the first five years and then

adjusts annually. The initial savings may be attractive, but buyers need to understand what happens after

that introductory period.

The risk is bigger than the interest rate

My concern is not that every ARM is a bad loan. For some buyers, an ARM can make sense. My concern is

that buyers may base a long-term financial commitment on an introductory payment without planning for

higher costs. Interest rates can change, and a refinance is never guaranteed. Future credit qualifications,

home values, closing costs, and available loan programs all matter.

Even while an ARM rate remains fixed for a specified amount of time, other ownership expenses can rise. Homeowners insurance and, where applicable, flood or wind coverage may become more expensive. Property taxes can change with assessments, exemptions, or ownership transfers. HOA dues can increase, and special assessments maycreate substantial unexpected bills. In coastal South Carolina, these expenses deserve especially careful review.

Questions I want buyers to ask before signing

Ask your lender to show you the first adjustment date, index and margin, adjustment frequency, periodic

and lifetime caps, and maximum possible payment. Request written payment scenarios at higher rates.

Compare the ARM with a fixed-rate mortgage using total monthly costs—not principal and interest alone.

Ask your insurance agent for realistic coverage estimates, review potential tax reassessments, and examine

HOA budgets, dues history, reserve funding, and pending assessments.

Keep watching after closing

If you already have an ARM, know exactly when it can adjust. Review lender notices, follow rate changes,

monitor insurance renewals, property taxes, and HOA notices, and build room in your budget for increases.

Do not make your financial plan depend on being able to sell or refinance before an adjustment.

My message to buyers

Homeownership should provide stability, not a surprise financial burden. I would rather see a buyer take

more time to understand the options than stretch for a payment that may become unaffordable. Ask

questions, run the numbers, and get independent advice from your lender, insurance professional, and tax

adviser before making a decision. A home purchase should work for your future—not just for today.

Source: Homes.com News, “ARM demand hits highest level in a year as mortgage rates climb,” October 14, 2026.

Original article: https://www.homes.com/news/arm-demand-hits-highest-level-in-a-year-as-mortgage-rates-climb/2066538922/

Beth Ross | Carolina Pines Realty, Inc. | 843-333-6113 | info@carolinapinesrealty.com