Source: Amy Zipkin - N.Y. Times ( Paid Registration )

The deal on the website of Hilton Hotels & Resorts seemed like a good one to Jeffrey Buszkiewicz: A 72-hour online sale after Thanksgiving showed a $129 room at a Hilton Garden Inn in Manhattan for Christmas night. Two subsequent nights cost more.

But there was a hitch. After he talked about it with his wife and was ready to book, the rate had increased by $40 a night when he logged on again the next day.

Read Full Article: Hotel reservations: complicated and costly to cancel