Compares avalanche, snowball, consolidation and a balance transfer on your real numbers.
Best strategy
Balance transfer
$2,677 interest over 2 years, 11 months.
3 years, 2 months
3 years, 3 months
$775/mo
$276 fee
Across $29,700 of debt at $950 a month, the four strategies range from $2,677 to $7,492 in interest. 0% for 18 months, 3% fee. That saves $3,431 against the standard avalanche method.
On your budget the transferred balance is projected to clear in month 35, which is after the 18-month promotional period ends. Whatever remains then reverts to the go-to rate, typically as high as the card you left. Either raise the payment or treat this option as riskier than the numbers suggest.
A 11.50% consolidation loan over 4 years produces $7,492 of interest against $6,108 for avalanche. Consolidation lowers the payment by extending the term, and a longer term at a lower rate frequently costs more in total. It genuinely helps when the new rate is far below your weighted average, or when a single fixed payment is what makes the plan survivable.
Avalanche finishes in 3 years, 2 months costing $6,108; snowball takes 3 years, 3 months costing $7,311. That gap is large enough that the math deserves real weight.
Raising the payment to $1,150 clears the debt in 2 years, 6 months and saves $1,514 — more than the gap between any two strategies here. Payment size dominates payoff order, which is why it deserves most of your attention.
Consolidation and balance transfers both leave your original cards open with zero balances and full available credit. Without a change to the spending that created the debt, they refill — and you end up with the consolidation loan and the card balances. Freeze the cards or close all but one.
Model your payoff timelineWorked scenarios with the full analysis, so you can see how the numbers move before entering your own.
A mixed-debt profile where the high-rate card dominates and avalanche usually wins.
Best strategy
Balance transfer
Across $29,700 of debt at $950 a month, the four strategies range from $2,677 to $7,492 in interest. 0% for 18 months, 3% fee. That saves $3,431 against the standard avalanche method.
On your budget the transferred balance is projected to clear in month 35, which is after the 18-month promotional period ends. Whatever remains then reverts to the go-to rate, typically as high as the card you left. Either raise the payment or treat this option as riskier than the numbers suggest.
A 11.50% consolidation loan over 4 years produces $7,492 of interest against $6,108 for avalanche. Consolidation lowers the payment by extending the term, and a longer term at a lower rate frequently costs more in total. It genuinely helps when the new rate is far below your weighted average, or when a single fixed payment is what makes the plan survivable.
Where a 0% balance transfer genuinely beats every other route — if cleared in time.
Best strategy
Balance transfer
Across $14,000 of debt at $900 a month, the four strategies range from $420 to $3,410 in interest. 0% for 21 months, 3% fee. That saves $2,990 against the standard avalanche method.
Avalanche finishes in 1 year, 8 months costing $3,410; snowball takes 1 year, 8 months costing $3,410. At that margin, take whichever you'll actually finish — an abandoned optimal plan saves nothing.
Raising the payment to $1,100 clears the debt in 1 year, 4 months and saves $742 — more than the gap between any two strategies here. Payment size dominates payoff order, which is why it deserves most of your attention.
A borrower who qualifies for a rate far below their weighted average, making consolidation worthwhile.
Best strategy
Consolidation
Across $21,000 of debt at $700 a month, the four strategies range from $3,845 to $12,471 in interest. One fixed loan at 8.50% for 4 years. That saves $6,541 against the standard avalanche method.
Avalanche finishes in 3 years, 9 months costing $10,386; snowball takes 4 years costing $12,471. That gap is large enough that the math deserves real weight.
Raising the payment to $900 clears the debt in 2 years, 7 months and saves $3,510 — more than the gap between any two strategies here. Payment size dominates payoff order, which is why it deserves most of your attention.
Avalanche and snowball change the order you attack existing debts. Consolidation and balance transfers change the debt itself. They solve different problems, which is why comparing all four on the same numbers is more useful than debating avalanche versus snowball in isolation.
A consolidation loan almost always lowers the monthly payment, which feels like progress. It does so partly through a lower rate and partly by stretching the term — and a longer term at a lower rate frequently produces more total interest than a shorter term at a higher one.
The honest test is total interest, not the payment. Consolidation is genuinely worth it when the new rate is far below your weighted average, or when a single predictable payment is the difference between sticking to a plan and abandoning it. Both are legitimate reasons; a lower payment on its own is not.
Consolidation and balance transfers clear your card balances. They do not close the cards. You are left with full available credit and, unless the underlying spending changed, the balances return within a year or two — now alongside the consolidation loan.
This is the single most common way debt consolidation makes things worse. Freeze the cards, close all but one, or route the plan through a nonprofit credit counselor's debt management plan, which closes the accounts as a condition.
Consolidation nearly always lowers the payment. That tells you nothing about whether it's cheaper.
The single most common way consolidation backfires. Freeze or close them.
The reverted rate is usually as high as the one you left, and you've paid a 3–5% fee for nothing.
An extra $200 a month typically beats the gap between any two strategies.
It permanently forfeits income-driven repayment, forbearance and forgiveness eligibility.
Only when the new rate is meaningfully below your weighted average rate, and only if you don't re-run balances on the cleared cards. Consolidation usually lowers the monthly payment by extending the term, which can increase total interest even at a lower rate. Compare total interest, not the payment.
A 0% transfer is cheaper if you clear the balance inside the promotional window, typically 12–21 months, and account for the 3–5% transfer fee. A consolidation loan has a fixed rate and no promotional cliff, so it's safer if you need longer. The risk profile differs more than the arithmetic.
The remaining balance reverts to the go-to APR, which is usually as high as the card you transferred from. Some cards also charge deferred interest retroactively, though this is more common on store financing than mainstream transfer cards. Read the terms specifically for that phrase.
Slightly and temporarily. The hard inquiry and new account lower your average account age. But paying down revolving balances improves utilization, which carries more weight — so the net effect is often positive within a few months.
Avalanche is the cheapest of the ordering strategies by definition, since it eliminates the most expensive interest first. Whether consolidation or a balance transfer beats it depends entirely on the rate you qualify for and how quickly you can clear the balance. This tool runs all four on your actual numbers.
Keep $1,000–2,000 and use the rest against high-interest debt. Clearing a 24% card with cash earning 4% is a clear gain. Emptying savings entirely is not, because the next unexpected expense returns straight to the card.
The next calculations that usually follow this one.
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The single number lenders check first — and the one that decides your mortgage approval.
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