The Credit Card Interest Slash Kit - Stackwise

Paying every month but the balance barely moves? It's not you. It's the interest rate.

At today's average card rate (about 21%, Federal Reserve, Aug 2026), much of every payment goes straight to interest. Most debt plans only tell you which card to pay first.

The Credit Card Interest Slash Kit

Goes after the rate itself, with the S.L.A.S.H. Method: See the real cost, Lower the rate, Avoid new interest, Shift to 0%, Hit the highest rate first.

WHAT YOU CAN DO WITH IT

✔ See what each card costs you per day, per month and per year, and how long minimum payments would really take.

✔ Answer 5 quick questions and get your interest-cutting moves ranked for your situation.

✔ Ask for a lower rate with a word-for-word phone script that fills in your details (in a 2026).

✔ LendingTree survey, 84% of people who asked got a lower rate).

✔ Check any 0% balance transfer offer: the verdict, the fee, and the exact monthly payment that clears it before the 0% ends.

✔ Get your debt-free date and see how much a rate cut or transfer saves compared with your plan today.

✔ Avoid the traps that restart interest: deferred-interest store deals, penalty APRs, cash advances and closing old cards.

WHAT'S INCLUDED (2 files + bonus EPUB)

📱 Interest Slash Studio (HTML web app): 6 tabs (See my cost, Best moves, Lower my rate with script builder and call log, 0% transfer checker, Escape plan, S.L.A.S.H. checklist). Opens in any browser on your phone, tablet or computer, works offline, saves as you type, no login.

📘 38-page Playbook (PDF): Quick-Start, how card interest really works, 6 phone scripts (the ask, if they say no, lock it in, hardship, late fee waiver, penalty rate removal), the 6 balance transfer rules, other ways to cut your rate (and the one to avoid), a full worked example, glossary and quick check.

✍ 10 fillable worksheets (inside the Playbook): Card Inventory, Call Prep, Call Log, Leak-Stopper Checklist, Transfer Offer Check, Escape Plan, 24-Month Tracker, Interest Slash Wall, Monthly Check-In and a Debt-Free Certificate.

📱 Bonus: The Playbook as an EPUB eBook for your phone.

THE EXAMPLE INSIDE (fictional)

Jasmine owes $12,210 on three cards, about $8.15 a day in interest. Paying only the minimums would take 19 yr 4 mo. and cost $20,028 in interest. With one 10-minute call (her Mastercard drops from 21.49% to 15.49%) and one 0% transfer, her $750 a month clears everything in 18 months for $593 in interest and fees, $2,025 less than the same plan at today's rates.

WHO IT'S FOR

✔ Anyone in the US carrying a balance on one or more credit cards

✔ People who've never asked for a lower rate

✔ People getting 0% offers in the mail and not sure they're worth it

✔ Anyone who wants a real end date.

Already using a debt snowball tracker? Keep it. This kit lowers the rate it's fighting.

GOOD TO KNOW

• Instant digital download. The Studio runs in any modern browser (Chrome, Safari, Edge, Firefox).

• The Playbook opens in any PDF reader; type in the worksheets with Adobe Acrobat Reader (free) or

• Mac Preview or print them.

• Your numbers stay on your device. Nothing is uploaded and no bank login is needed.

• Facts checked November 2026. Results are estimates using simple assumptions. Educational tool, not financial, legal or credit advice.

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