1.   Among the most sophisticated, GMBuyPower allows consumers to check dealer inventory anywhere in the country, then e-mail for prices.

2.   Consumers should also check other details about billing practices before signing up, warns Bankcard Holders of America, a nonprofit consumer group in McLean, Va.

3.   Consumers should check the use-by date on any package of cut-up vegetables and look carefully at the contents of the bag.

4.   Consumers can check the authenticity of any BBBOnLine seal by clicking on it.

5.   Consumers should check the ingredients of dietary and nutritional products to be sure they do not contain the herb, the FDA said.

6.   First, consumers would check prices and bargains at the Web site.

7.   First, consumers check prices and bargains at the Web site, then they head out to Main Street to make their purchases.

8.   Nor would they be required to let the consumer check that information for accuracy.

9.   On purchases of big-ticket items such as DVD players, consumers carefully check prices and the levels of service that retailers offer, he said.

10.   Robin Holland, a spokeswoman for Equifax, suggests that consumers check their credit reports from each of the three credit reporting companies each year.