Few things can hurt a brand's word-of-mouth like a rude hotel desk clerk, a high-pressure stockbroker or a perpetually late airline with unsympathetic flight attendants.

FORBES: Magazine Article

All these complaints tell a similar story of being lured -- either in person, over the phone or through the mail -- to a high-pressure sales presentation with the promise of receiving free airline tickets, gas cards, or tickets to shows.

CNN: Watch out for the 'free' stuff