Credit Card Payment Allocation: Which Balance Your Payment Pays First
How card issuers split your payment between purchase, cash advance and balance transfer balances, and how to use the rules to save interest.
Credit Cards
Residual Interest On Credit Cards: Why A Balance Remains After Paying
Why a small interest charge can appear after you pay a card balance in full, how residual or trailing interest is calculated and how to avoid it.
Credit Card Penalty APR: What Triggers It And How To Get It Removed
What a penalty APR is, which late payments can trigger it, how much it adds to a typical balance and the steps that bring your normal rate back.