If you're looking at rates for CDs, you may have noticed that some online only banks are offering much better rates than many banks with physical locations. You're probably wondering how these web-based banks can afford to offer these rates and if your money will be safe if you buy one of their CDs. Carmen Wong Ulrich explains what to consider when you're shopping for CDs online.

If you have a financial question you'd like Carmen to tackle, post it here in the comments or email us directly at ivcommunity@mail.ivillage.com

Watch Carmen Wong Ulrich's 'On The Money' Saturdays at 8PM ET on CNBC! Find more information on coping with the economy with our Bail Yourself Out resources.