High-interest debt has a bad reputation — and rightfully so. Debt that charges high rates is the most expensive for borrowers to carry. And the longer you leave it unpaid, the quicker the costs grow, ...

Editor's Note: APYs listed in this article are up-to-date as of the time of publication. They may fluctuate (up or down) as the Fed rate changes. CNBC Select will update as changes are made public.

Lauren Graves is an educator-turned-editor specializing in personal finance content. She seeks to make complicated topics easier to understand and less intimidating to the average reader with accurate ...