Stay away from Monkey markets; otherwise the interest on a conservative (Vanguard.com) money market fund is about 0.17%. Pathetic, but at least your principal is safe and if the feds raise the prime rate anytime, the interest rates for MM and bond funds will rise. The bank will show you the comparative interest rates on the three types of funds. Check to see what the minimum starting deposit is. Here is a list of some banks that are paying slightly higher rates ($16.90 vs. $2.40/annum).