If you're worried about increasing your balances due to an unrequested credit limit increase, you can call your issuer and request that it revert your limit back to the previous amount. You can also get ahead of these automatic credit limit increases and request your issuer not do so without your consent first.

Banks are increasing credit limits by more than $40 billion per quarter, often without their customers’ consent. New data from the King’s Business School and the Federal Reserve Board suggests this quiet strategy has an agenda,

Revolving credit allows borrowers to have ongoing access to funds in the form of a line of credit, which comes with rules about how much credit is available to the borrower and how they have to structure their repayments. One of the most common forms of ...