Yuupon is letting users book their deals now, choose the travel dates later (granted a lot of other sites let you do this as well), gives buyers several days to decide before the deal evaporates (another growing strategy) and cancel the trip for a full refund up until the date before your voucher expires.

FORBES: A Daily Deal Resuscitation Guide

If a traveler with basic insurance is laid off, he or she can now cancel the trip and get a full refund.

MSN: Pink-slip travel

Speaking for the first time in public, Mr Walker told the health select committee staff had been forced to cancel 700 operations when hospitals were full of emergency cases in 2009.

BBC: NHS whistleblower Gary Walker 'faced bullying culture'

In other cases, consumers were wrongly told they were required to purchase the product in order to receive full information about it, but that they could cancel the product if they were not satisfied.

FORBES: Obama's Consumer Protection Agency Strikes: $210M Fine For Capital One

Altnagelvin Hospital in Londonderry has also had to cancel non-urgent operations because the hospital is full.

BBC: Sinn Fein defend health minister

After receiving a single scan, Ms. Moritz tried to cancel the contract, but the medical provider said it "had already been paid in full by CareCredit" and couldn't reverse the charge, according to court records filed in U.S. District Court in Chicago.

WSJ: Is Your Doctor Pushing Credit Cards?