If you've ever waited in line to check out at a supermarket or convenience store and felt the urge to buy a candy bar or pack of gum, you are not alone — they are there for that exact reason. An ...

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.

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...