Home equity lines of credit got popular again when mortgage rates climbed past 7%.
The pitch sounded simple: tap the equity you already built, skip the refinance, and pay for the kitchen remodel or the credit card debt.
What the ads rarely mention is that most HELOCs don't have a fixed rate at all.
Roughly 80% of HELOCs carry variable rates tied to the prime rate, which moves with whatever the Federal Reserve decides.
When the Fed hiked rates at the fastest pace in four decades, homeowners with these lines watched their monthly payments climb in real time, often with no warning beyond a thin statement in the mail.
A HELOC you opened in 2021 at 4% could now be running north of 9%, depending on your lender's margin.
On a $50,000 balance, that's the difference between paying about $167 a month in interest and roughly $375.
You're mostly renting your own equity back from the bank.
Lenders know exactly what they're selling.
A variable line protects their profit when rates rise, while the low introductory teaser rate protects their marketing.
Some banks push "interest-only" payment options at closing, which keeps the monthly number looking small and the balance ballooning quietly in the background.
Many HELOCs convert to a repayment schedule after 10 years, and the payment resets to cover principal plus interest over 15 or 20 years.
Borrowers who spent a decade paying interest-only can face a payment shock of several hundred dollars overnight, right when they've stopped thinking about the loan at all.
The Consumer Financial Protection Bureau has flagged this pattern for years, and complaints about HELOC rate increases and payment shocks keep landing in its database.
If you have a variable HELOC right now, the practical move is boring but effective: call your lender and ask about converting to a fixed-rate option, which many banks offer for a fee.
Compare that fee against the interest you'd pay over the remaining term.
You can also ask about a rate modification, a lump-sum principal payment, or simply shopping a fixed-rate home equity loan elsewhere to pay off the line.
All of them beat waiting for the Fed to rescue you.
If you're still in the draw period and haven't checked your rate in a year, that's the assignment for this week.
One more thing worth watching: HELOC delinquencies have been creeping up in recent data as budgets tighten and home values cool in some markets.
That combination, higher payments plus less equity cushion, is exactly when lenders get nervous and borrowers get stuck.
None of this means HELOCs are a trap for everyone.
Used carefully, with a fixed rate and a clear repayment plan, they can be a reasonable tool.
The problem is that the marketing sells the teaser, not the fine print, and the fine print is where your money actually lives.
Final Thoughts
If you don't know your current rate, you've already lost the first round.