Research Results to Help You Shop

Find out the best strategies scientists have discovered for online shopping at auctions, Amazon and more.

eBay Buying Tips

Inexperienced eBay Buyers Make Costly Mistake

People new to buying through online auctions often bid higher than they need to. Here's how you can avoid a mistake that auction novices often make.

Buyers Bid Higher on Fancy eBay Listings

People buying iPhones bid more in eBay auctions that are spiffed up to stand out on search results listings.

Save on eBay By Timing Auctions

How much you pay for an iPhone on eBay depends on what day of the week the auction closes.

Getting the Most From Amazon Reviews

Finding Helpful Reviews on Amazon.com

Researchers have identified what sort of customer reviews best help online shoppers decide what to buy. The findings can help you sift out the most useful reviews.

Beware of Early 5-Star Book Ratings on Amazon.com

A study finds that shoppers who rely on customer ratings at Amazon.com to choose books often get misled.