A straight answer
Rates are high. Should I take an adjustable-rate mortgage instead of fixed?
The direct answer
It depends on how long you plan to keep the loan and what the payment could become after the fixed period. An ARM holds a rate for a set period, then adjusts within caps, so I compare the whole path. I'm Zach von der Linden (NMLS 1652805), a mortgage broker with West Capital Lending, based in San Clemente.
I arrange the loan with a lender, and the lender's pricing and the loan's own caps decide what the ARM can become. I will not guess where rates go next; I show you the first payment, the payment at the caps, and what has to be true for a refinance later. Text or call me with how long you plan to keep the home. I work with buyers and owners in California, Utah, Oregon and Arizona.
Zach von der Linden, mortgage broker and Branch Manager, West Capital Lending · NMLS 1652805
Wholesale pricing · California, Utah, Oregon and Arizona
5.0 across 66 reviews on Experience.com (read on 2026-09-24) · Text reaches Zach directly · Last updated 2026-10-10
Weighing an ARM? Text me how long you plan to keep the home and I will compare the whole path.
No credit pull happens from a text or a call. Texts and calls go to Zach's cell.
What happens after you text me?
Texts go straight to my cell, and I answer them myself when I'm free. I'll ask for the few details that actually matter, tell you whether the structure looks worth pursuing, and explain the next step. If I don't think the loan fits, I'll tell you that too.
A text or phone conversation does not pull your credit.
How an adjustable-rate mortgage works
With a fixed-rate mortgage the rate is set when you take the loan and does not change. With an ARM the rate may go up or down. Many ARMs start at a lower rate than a fixed loan; the initial rate lasts for a set period, and after that the rate changes on a regular interval and the payment is likely to go up (CFPB). The names tell you the shape: in the CFPB's handbook, an ARM called 5/1 or 5/6m has an initial rate that lasts five years, with the second number saying how often it adjusts after that, every year or every six months (CHARM booklet).
After the fixed period, the new rate is the index plus the margin, subject to the caps. The index is a market rate that moves on its own; the lender chooses which one. The margin is set by the lender in your loan agreement, does not change after closing, varies between lenders and can be negotiated like a rate (CFPB). Once the loan adjusts, the changes follow the market, not your personal situation.
What the caps do
The CFPB describes three caps: an initial adjustment cap, which limits how much the rate can change the first time it adjusts after the fixed period; a subsequent adjustment cap, which limits each later change; and a lifetime cap, which limits the total change over the life of the loan. Two lenders can quote the same starting rate with different caps, so the caps are part of the comparison, not fine print (CFPB). I ask the lender for the highest payment the loan could ever require and put that number next to the first one.
| Part | What it means for you |
|---|---|
| Fixed period | How long the starting rate and payment hold before the first adjustment. |
| Index | A market rate the lender picks; it moves on its own after the fixed period. |
| Margin | The amount the lender adds to the index; set in your loan agreement and fixed for the life of the loan. |
| Initial adjustment cap | How far the rate can move at the first adjustment. |
| Subsequent adjustment cap | How far it can move at each later adjustment. |
| Lifetime cap | How far it can move in total over the life of the loan. |
What the Loan Estimate shows
Page 2 of the Loan Estimate carries the Adjustable Interest Rate table: the index plus margin, the initial rate, the minimum and maximum rate, when the first change happens, how often later changes happen, and the limits on each change (CHARM booklet). Read that table before you commit; it is the loan in one box. The handbook also notes that the servicer sends advance notice of a change, telling you the new payment seven to eight months ahead.
Watch for a teaser or start rate below the fully indexed rate. When it ends, the loan takes on the index plus the margin even if the index has not moved, so the payment can rise with no change in the market (CHARM). If you are also deciding when to lock, the rate lock page covers that timing.
Who an ARM can fit
Someone who will sell or move before the fixed period ends, someone who expects a specific change that makes a refinance realistic, or someone who could carry the payment at the caps if the plan slips. The lender qualifies you on its own rules for the product, which can be stricter than a fixed loan, so I run the file both ways before you choose.
The risk of not being able to refinance
The CFPB puts it plainly: do not assume you will be able to sell or refinance before the rate changes, because the value of the home could fall or your finances could change (CFPB). A refinance later needs a value, income and credit that work on that day, and a lender who wants the loan. If the ARM works solely because of a refinance you cannot guarantee, I say so.
ARM versus a buydown
A temporary buydown lowers what you pay for an initial period while the note itself stays fixed; an ARM changes the note. They solve different problems, and a seller or builder credit can fund a buydown but not change an ARM's caps. That comparison is on seller credit versus a price cut and, for new construction, builder buydown versus a price cut.
My ARM is about to reset
Start with the Adjustable Interest Rate table from your closing package and the change notice from your servicer: they say what the rate can become and when. Then there are three paths: keep the loan and carry the adjusted payment, refinance to a fixed loan if the value, income and credit support it, or sell. On a VA loan, an Interest Rate Reduction Refinance Loan exists specifically to move from an adjustable rate to a fixed one, per VA. Text me the table and the notice and I will tell you which paths are real.
Buying and still deciding? Get pre-approved first. It starts online and uses a soft credit check, with no hard pull for the first look.
Questions people ask next
What do the numbers in a 5/6 ARM mean?
Per the CFPB handbook, the first number is how many years the initial rate lasts and the second is how often the rate adjusts after that, so a 5/6m ARM holds its rate for five years and then can change every six months.
What is the margin on an ARM?
The amount the lender adds to the index to set your rate after the fixed period. It is written into the loan agreement, does not change after closing, and varies between lenders, so it is worth asking about before you commit.
Can my ARM payment go down?
Sometimes, if the index falls, but the CFPB notes that is not true for all ARMs. The caps and any floor in your loan agreement decide how low the rate can go.
Where do I find the caps on my loan?
On page 2 of the Loan Estimate, in the Adjustable Interest Rate table, and in your closing documents. Ask the lender for the highest payment the loan could ever require.
Should I take an ARM and plan to refinance later?
Only if the plan still works when the refinance does not happen. A later refinance needs value, income, credit and a willing lender on that day, so I show you the payment at the caps before you decide.
Is a buydown the same as an ARM?
No. A temporary buydown lowers the payment for an initial period while the note stays fixed; an ARM changes the note itself after the fixed period.
What clients say
Zach was so easy to work with. He made a stressful situation into a very positive experience for us and did push us one way or another. He listened to what we hoped we could accomplish and made it happen.
Word for word from Experience.com. Read all reviews.
Sources and checked dates
Sources: CFPB, What is the difference between a fixed-rate and adjustable-rate mortgage (ARM) loan? (checked 2026-10-10) · CFPB, What are rate caps with an adjustable-rate mortgage (ARM), and how do they work? (checked 2026-10-10) · CFPB, For an adjustable-rate mortgage (ARM), what are the index and margin, and how do they work? (checked 2026-10-10) · CFPB, Consumer Handbook on Adjustable-Rate Mortgages (CHARM) (checked 2026-10-10) · VA, Interest Rate Reduction Refinance Loan (checked 2026-10-10).
Show each claim on this page, what it depends on, and the date it was checked (5)
| What we say, and what it depends on | Source | Checked |
|---|---|---|
| CFPB: with a fixed-rate mortgage the rate is set at the start and does not change; with an ARM it may go up or down. Many ARMs start at a lower rate than fixed-rate mortgages; the initial rate may last months, a year or a few years, and after that the rate changes on a regular interval and the payment is likely to go up. Part of the rate is tied to an index; some ARMs cap how high the rate can go at any adjustment or over the life of the loan. CFPB: do not assume you will be able to sell or refinance before the rate changes, and find out how high the rate and payment can go, how often it adjusts, and whether you could afford the maximum. | CFPB, What is the difference between a fixed-rate and adjustable-rate mortgage (ARM) loan? | 2026-10-10 |
| CFPB: ARMs typically include three kinds of caps: an initial adjustment cap (how much the rate can change the first time it adjusts after the fixed period), a subsequent adjustment cap (how much it can change at each later adjustment) and a lifetime adjustment cap (the total change over the life of the loan); some loans have a higher lifetime cap, and some cap decreases differently. CFPB says to compare caps between lenders and to ask the lender to calculate the highest payment you may ever have to pay, which also appears on the Loan Estimate or Truth-in-Lending disclosure. | CFPB, What are rate caps with an adjustable-rate mortgage (ARM), and how do they work? | 2026-10-10 |
| CFPB: on an ARM the index is an interest rate that fluctuates with general market conditions and the margin is a number set by the lender when you apply; when the initial rate expires, index plus margin becomes the new rate, subject to any caps. The lender chooses the index; the margin is set in the loan agreement, does not change after closing, varies between lenders and can be negotiated. The fully indexed rate equals the margin plus the index. CFPB points readers to the Consumer Handbook on Adjustable Rate Mortgages (CHARM) for caps, carryover and other terms. | CFPB, For an adjustable-rate mortgage (ARM), what are the index and margin, and how do they work? | 2026-10-10 |
| CFPB Consumer Handbook on Adjustable-Rate Mortgages (CHARM): an ARM advertised as 5/1 or 5/6m is named for the length of the initial rate period (the first number, in years) and how often the rate changes after that (the second number); the adjustment period can be a month, a year or six months. The interest rate is the index plus the margin; the Loan Estimate shows the index and margin. Page 2 of the Loan Estimate carries the Adjustable Interest Rate (AIR) table: index plus margin, initial rate, minimum and maximum rate, change frequency (first change and subsequent changes) and the limits on interest rate changes. The servicer sends advance notice of changes, telling you the new payment seven to eight months in advance. Some lenders offer a teaser or start rate below the fully indexed rate; when it ends the loan takes on the fully indexed rate even if the index has not moved. | CFPB, Consumer Handbook on Adjustable-Rate Mortgages (CHARM) | 2026-10-10 |
| VA.gov (last updated January 7, 2026): an Interest Rate Reduction Refinance Loan (IRRRL), often called a streamline refinance, refinances an existing VA-backed loan to lower the payment or move from an adjustable or variable rate to a fixed rate; the Veteran must already have a VA-backed loan and certify current or prior occupancy; if there is a second mortgage on the home, its holder must agree to make the new VA-backed loan the first mortgage; the loan comes through a private lender, not VA directly. | VA, Interest Rate Reduction Refinance Loan | 2026-10-10 |
Written for and accountable to: Zach von der Linden, Mortgage broker and Branch Manager, West Capital Lending.
Last updated 2026-10-10.
Verify him: NMLS Consumer Access, ID 1652805 · 66 reviews on Experience.com.
Sources for product claims are listed on this page, with the date each was checked.