This article is from the FAQ, by with numerous contributions by others.
Stock funds tend to be the most expensive, with annual expenses
ranging from 0.2% to 3.0% with most between 1.0% and 1.5%. Small
company and international funds tend to be more expensive. Bond
fund expenses range from 0.2% to 2.0%, with most around 1.0%. Money
market funds tend to be the least expensive, ranging from about
0.2% to 1.0%. See a later answer for a more detailed description
of these funds. Note that some funds, particularly money market
funds, waive expenses for a limited time to boost yield (and make
good ad copy). About one half of stock and bond funds have loads
(front or back end), but money market funds do not normally have
loads, though some have 12b-1 fees.
 
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