f you are making regular contributions over time – say, investing a certain dollar amount each week or month – buying an index fund is more cost-effective. If you are rolling over a lump sum, however, you might choose an E.T.F.
exchange traded funds
![What The Heck Is An ETF?](../../consumermediallc.files.wordpress.com/2012/06/wetf.jpg?w=158&h=158&crop=1)
What The Heck Is An ETF?
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5.20.09![What Are "Expense Ratios?"](../../consumermediallc.files.wordpress.com/2012/06/expenseratios.jpg?w=150&h=148&crop=1)
What Are "Expense Ratios?"
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6.13.07For the new investor considering mutual funds, one important comparison basis is their expense ratio.