Why Is My Credit Card Interest Rate Going Up? 4 Common Reasons
Why is my credit card interest rate going up? The four usual causes, from variable APRs and expiring promotions to penalty rates, plus the federal rules on notice and what you can do.
Credit Card Guides & Comparisons
Practical, plain-English walkthroughs for choosing, comparing and getting the most from your credit cards in the eight countries — updated as offers change.
Negative Credit Card Balance: What It Means and How to Get a Refund
What a negative credit card balance means, why it happens, how to get a refund within seven business days under federal rules, and whether a credit balance affects your score.
How to Freeze Your Credit: Freeze, Unfreeze and Apply for Cards
How to place a free credit freeze at Equifax, Experian and TransUnion, how to lift it before you apply for a credit card, and how it compares with fraud alerts and credit locks.
How Credit Card Interest Works: APR, Grace Periods and Daily Balances
How card issuers turn your APR into a daily charge, when the grace period protects you, why interest can appear after you pay in full, and how to keep it at zero.
What Is a Credit Card Cash Advance? Fees, Interest and Alternatives
What counts as a cash advance, why it costs more than a purchase, how it affects your credit and the cheaper ways to get cash when you need it.
How to Dispute a Credit Card Charge: Your Rights and the Steps
A step-by-step guide to disputing a wrong, duplicate or fraudulent credit card charge, with the federal deadlines, what your issuer must do and how chargebacks fit in.
Is It Bad to Close a Credit Card? How Closing Affects Your Score
Closing a card can lower your score by raising utilisation and, over time, shortening your history. Here is when closing makes sense, the alternatives and how to do it cleanly.
Authorized User on a Credit Card: How It Works and Builds Credit
What an authorized user is, who owes the debt, how it can help or hurt both people's credit scores, and how to add or remove someone safely.
Melhor Cartão de Crédito para Milhas em 2026: Ranking e Contas
Pontos por dólar, anuidade, isenção e salas VIP dos principais cartões de milhas do Brasil, com contas simples para saber se o cartão se paga no seu nível de gasto.