One of the best places to find consumer reviews is the Better Business Bureau website. The site allows customers to post reviews about products or services and alert others to potentially dubious companies. The BBB encourages businesses to hold themselves accountable, but it's not a government agency.
The BBB site can contain an overabundance of negative reviews. For specific products, check websites such as Amazon.com or ConsumerReview.com. They use a five-star rating system and a comment section for more information. For restaurants or hotels, Yelp.com provides a wide range of customer reviews. Read a variety of reviews to get an accurate picture.