Paying off debt: avalanche, snowball, or a consolidation loan.

There are three honest ways out of several debts at once. Two cost nothing but discipline; the third can save real money or quietly cost more. Here is how to tell which is which, with the arithmetic shown.

In August 2026, credit card accounts that were charged interest paid an average of 22.36% a year, according to the Federal Reserve. The same month, a two-year personal loan from a commercial bank averaged 11.90% (G.19 card rate, G.19 personal loan rate, both via FRED). That gap of about ten points is the whole case for a debt consolidation loan, and the reason lenders advertise them so hard.

It is also an average. The rate you are offered depends on your credit, and the debts most in need of consolidating tend to belong to the people offered the worst rates. Before borrowing anything, it is worth knowing what the free methods cost. This guide prices both of them, the debt avalanche and the debt snowball, on one household's debts, then shows where a loan beats them and where it doesn't.

How we checked. Average rates are the Federal Reserve's, published in its G.19 consumer credit release. Lender terms were read on each lender's own website on October 30, 2026; where a page left a figure blank or showed a placeholder, we say so rather than copy one from another review site. Every worked example was run in the same code as our calculator and checked against a separate model. The loan arithmetic reproduces a lender's own disclosed example to the cent.

One household, four debts

The examples use a made-up household with real average rates where they exist. It owes $18,300: a store card, two credit cards and a car loan. The minimums add up to $530 a month, and the household can find $300 more, so $830 a month goes to debt in every scenario below.

What the household owes

Balance, rate and the minimum it pays each month:

Store card: 29.99%, $45 minimum$1,400
Car loan: 7.47%, $140 (the Fed's 48-month new-car average)$3,100
Card A: 22.36%, $140 (the Fed's card average)$5,600
Card B: 27.24%, $205$8,200
Total, with $530 of minimums$18,300

The avalanche and the snowball

Both methods work the same way. Pay every minimum, every month. Put everything extra on one debt. When that debt is gone, add its payment to the extra and move to the next, so the monthly total never drops. That rolling payment is where both methods get their speed.

The only difference is the order. The avalanche goes after the highest interest rate first: here the store card, then Card B, Card A and the car loan. The snowball goes after the smallest balance first: the store card, then the car loan, Card A and Card B.

$18,300 at $830 a month

Monthly interest, minimums held at their dollar amounts, no new charges:

Avalanche: interest paid$5,512
Avalanche: debt-free in29 months
Snowball: interest paid$6,219
Snowball: debt-free in30 months
Minimums only, no extra: interest paid$13,339
What the extra $300 a month saves (avalanche)$7,827

Two things stand out. The avalanche saves $707 and a month, because it spends less time paying 27% on Card B while the snowball works on a 7.47% car loan. And the order matters far less than the extra $300: without it, the same debts take five years and cost $13,339 in interest. Whatever method you choose, the size of the payment is the main lever.

The order matters far less than the extra $300 a month.

Why the snowball has a following anyway

If the avalanche is cheaper, why does anyone teach the snowball? Because people don't finish plans they lose faith in. Under the snowball, our household's second debt is gone in month 10; under the avalanche, the second one doesn't go until month 23, because Card B is large. For nearly two years, the avalanche can feel like nothing is happening.

There is some evidence this matters. David Gal and Blake McShane studied the records of nearly 6,000 clients of a debt settlement firm and found that the number of accounts a person closed predicted completing the program better than the dollar amount they had paid off. They caution that the two are highly correlated and hard to disentangle (Journal of Marketing Research, 2012; summarized by Kellogg Insight). In lab experiments, the economists Alexander Brown and Joanna Lahey also found that people worked faster toward small, completable goals, but concluded that where interest rates differ a lot, paying from highest to lowest rate is best, and that the snowball "works best when individuals have debts with similar interest rates" (Brown and Lahey).

Our view: run both in the calculator. If the gap is small, take the snowball and enjoy the early wins. If it is large, as it gets when a big balance carries the highest rate, the avalanche is worth the patience. A middle path is legitimate too: clear one tiny balance first for the momentum, then switch to highest rate.

When a consolidation loan beats both

A debt consolidation loan is a personal loan you use to pay off several debts, leaving one fixed payment over a fixed term (CFPB). Our household would move the three cards, $15,200 at a balance-weighted average of about 25.7%, and leave the 7.47% car loan alone: there is no point refinancing cheap debt into dearer debt.

Many lenders charge an origination fee and take it out of the money you receive. Upgrade's own example is a $10,000 loan with a 5% fee that pays out $9,500, at a 13.94% interest rate and a 17.59% APR (Upgrade). So to clear $15,200 of cards with a 5% fee, you borrow $16,000. The APR, which counts the fee, is the number to compare.

Here are three loans, all for three years, each paid with the same $830 a month as before: the loan payment, the car loan's minimum, and anything left over going to the car loan and then to the loan itself.

$15,200 of cards into one 36-month loan

Same $830 a month; compare with $5,512 for the avalanche:

11.90%, no fee (the Fed's bank average): interest$2,281
Payment $504; debt-free in25 months
13.94% + 5% fee (17.59% APR): interest and fee$3,790
Borrow $16,000; payment $546; debt-free in27 months
19.99% + 8% fee (26.19% APR): interest and fee$6,257
Borrow $16,522; payment $614; debt-free in30 months

At the bank average, the loan cuts the interest bill by more than half and finishes four months sooner than the avalanche. With a typical online-lender fee it still wins, by about $1,700. At 19.99% with an 8% fee it loses: the household would pay $745 more than it would by simply working the avalanche on its own cards. Once the fee is counted, that loan's APR is 26.19%, above the cards' balance-weighted average of about 25.7%, and the avalanche already sends every spare dollar to the 30% and 27% balances first. A 19.99% headline rate looks like a saving against 27% cards; the APR says otherwise.

The rule that falls out: compare the loan's APR with the rates on the debts it would replace, weighted by balance. A loan several points below that clearly helps. One within a few points of it probably doesn't, once you account for the fee and the risk discussed next.

The longer term trap

Lenders often lead with the monthly payment. Stretching the same $16,000 loan at 13.94% from three years to five drops the payment from $546 to $372, and raises the cost if paid on schedule from $4,470 to $7,108. The CFPB makes the same point: a lower consolidation payment may simply mean "you're paying over a longer time," and you may pay "a lot more overall" (CFPB). A longer term can be a reasonable safety margin, but only if there is no prepayment penalty and you keep paying what you can afford.

The risk that undoes it: the empty cards

A consolidation loan pays off the cards; it does not close them. A household that runs them back up ends with the loan and new card balances. The CFPB's warning is blunt: "Taking on new debt to pay off old debt may just be kicking the can down the road." Before borrowing, decide what happens to the cards: keep one for planned spending you pay in full each month, and put the rest somewhere hard to reach.

Three other offers sound similar and are not:

  1. Home equity loans. Cheaper on paper, but they turn unsecured card debt into debt secured by your house. The CFPB calls using one to consolidate card debt "risky": if you can't repay, you could lose your home in foreclosure.
  2. Debt settlement. Some companies advertising "consolidation" are settlement firms that charge fees and may tell you to stop paying your creditors and save into a special account instead. Missed payments add fees and interest and damage your credit, and they can't guarantee results (CFPB).
  3. Credit counseling. A legitimate alternative when no loan makes sense. Nonprofit counselors can set up a debt management plan: one monthly payment to the agency, which pays your creditors, usually aiming to lower the total monthly payment rather than the amount owed.

And one cheaper option for smaller balances: a 0% balance transfer card, if you can clear the balance within the intro period. A 5% fee on a 21-month intro is far cheaper than any loan in the table above. Our balance transfer calculator shows the payment that does it, and the cards guide lists terms read on issuer pages.

Lenders, with what we could confirm

Listed in order of what we could confirm on each lender's own site on October 30, 2026. A term we could not read is shown as not shown; the lender's page has it. Compare the APR you are actually offered, not the advertised floor.

  1. Upgrade Personal Loan

    See terms at Upgrade
    APR
    7.74% to 35.99%
    Origination fee
    1.85% to 9.99% origination fee, deducted from the loan proceeds
    Loan amounts
    $1,000 to $50,000
    Terms
    24 to 84 months
    Also
    Lowest rates require autopay and paying part of existing debt directly

    Who it suits: Borrowers with fair-to-good credit who want a lender that publishes its whole APR and fee range, and can pay part of the old debt directly.

    Who should skip it: Anyone offered a fee near the top of the 1.85% to 9.99% range: at that cost, compare the APR with what the avalanche alone would cost.

    Terms read on Upgrade's site Oct 30, 2026.

  2. SoFi Personal Loan

    See terms at SoFi
    APR
    6.99% to 35.49% fixed (2-year term), 12.95% to 35.49% (7-year), with 0.25% autopay and 0.25% member discounts
    Origination fee
    No origination fee on the term options in its rate table; some offers include one
    Loan amounts
    Not shown on the issuer's page when we checked
    Terms
    2 to 7 years
    Also
    Rate table example: $30,000 over 2 years, $1,343.04 to $1,763.32 a month

    Who it suits: Borrowers with strong credit who want terms from two to seven years and a no-fee option shown in the lender's own rate table.

    Who should skip it: Anyone who would choose a long term for the low payment and not prepay: the 7-year floor is 12.95%, and the cost rises with every year.

    Terms read on SoFi's site Oct 30, 2026.

  3. LightStream (Truist)

    See terms at LightStream
    APR
    Not shown on the issuer's page when we checked
    Origination fee
    "No fees or prepayment penalties"
    Loan amounts
    $5,000 to $100,000
    Terms
    24 to 84 months for debt consolidation
    Also
    Rates quoted with an autopay discount; lowest rates require excellent credit

    Who it suits: Borrowers with good to excellent credit and larger balances who want no fees and no prepayment penalty.

    Who should skip it: Anyone with weaker credit, or borrowing under $5,000: the minimum loan is $5,000, and LightStream says its lowest rates require excellent credit.

    LightStream's page left its maximum APR blank when we checked.

    Terms read on LightStream's site Oct 30, 2026.

  4. Discover Personal Loans

    See terms at Discover
    APR
    Not shown on the issuer's page when we checked
    Origination fee
    No origination fees
    Loan amounts
    Not shown on the issuer's page when we checked
    Terms
    36 to 84 months
    Also
    Discover is now part of Capital One; its loans can't be used to pay a Capital One or Discover card directly

    Who it suits: Borrowers who want no origination fee and a term of up to seven years.

    Who should skip it: Anyone consolidating a Capital One or Discover card: the loan can't be used to pay those accounts directly.

    Discover's pages showed placeholders instead of an APR range, and listed different maximum loan amounts ($30,000 and $40,000), when we checked.

    Terms read on Discover's site Oct 30, 2026.

We are not paid for any of these loans today. If that changes, links will be marked and disclosed, and the order will stay by fit. How we make money.

Who a consolidation loan is for, and who should skip it

It suits someone with several high-rate card balances, steady income, credit good enough to be offered an APR well below what the cards charge, and a plan for the empty cards. For that person it can cut the interest bill in half and set an end date.

Skip it if the APR you are offered is within a few points of your cards' average; if the only appeal is a lower payment from a longer term; if you've consolidated before and the balances came back; or if you're behind on payments and the loan would only buy time. For the last case, a nonprofit credit counselor is the better first call. And for everyone, the free methods remain: list the debts, pick an order, and pay the same total every month until they're gone.

Questions people ask

Is it better to pay off the highest interest rate or the smallest balance first?

Highest rate first (the avalanche) always costs the same or less for a fixed monthly payment. In our example, four debts totaling $18,300 paid at $830 a month, it costs $5,512 in interest against $6,219 for smallest balance first (the snowball). The snowball's advantage is that accounts close sooner, which research on debt settlement clients links to finishing. Pick the one you'll stick with.

Does a debt consolidation loan save money?

Only if its APR, which includes any origination fee, is clearly lower than the rates on the debts it pays off, and only if the old cards stay paid off. In our example, a loan at 11.90% with no fee costs $2,281 in interest on the same budget; at 19.99% with an 8% fee it costs $6,257, more than paying the cards down without a loan.

What is an origination fee?

A one-time charge, usually a percentage of the loan, that many lenders take out of the money you receive. Upgrade's own example: a $10,000 loan with a 5% fee pays out $9,500. To clear a set amount of debt you have to borrow more, and the fee is built into the APR.

Should I use a longer loan term to get a lower payment?

A longer term lowers the payment and raises the total cost. In our example, a $16,000 loan at 13.94% costs $4,470 in interest and fees over three years and $7,108 over five, if paid on schedule. The CFPB warns that a lower consolidation payment often comes from a longer term. If you take the longer term for flexibility, check there's no prepayment penalty and pay more when you can.

Is a home equity loan a good way to consolidate credit card debt?

The CFPB calls it risky: card debt is unsecured, and a home equity loan turns it into debt secured by your house, so if you can't repay you could lose the home in foreclosure.

Is iGrow Wealth paid by these lenders?

No. We are not paid for any loan today. The lenders below are listed by what we could confirm on each lender's own site. If we join an affiliate program, those links will be marked and the order will not change because of it.

This guide is educational and is not personalized financial advice. Rates and lender terms change often; figures are as of the dates given. Examples use monthly interest, fixed minimum payments and no new charges; your lender's terms decide your actual costs.

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