Discover Bank products are no longer available through this site, and content may be out of date A certificate of deposit, or CD, lets you lock in an interest rate for a fixed amount of time. This ...
Managing Editor Alison DeNisco Rayome joined CNET in 2019, and is a member of the Home team. She is a co-lead of the CNET Tips and We Do the Math series, and manages the Home Tips series, testing out ...