They should also provide after-sales service, listen to complaints, and never try to hide behind illegal disclaimers that suggest there are "no refunds" or the car is "sold as seen".

BBC: Q&A: Buying a used car

On those days, calls will not be answered, no returns will be processed or refunds issued and all IRS offices will be closed.

FORBES: IRS Set To Close Next Week

JetBlue tells a similar story, with no discernible impact on bookings or customers asking for refunds.

WSJ: Public Relations Nightmares Have a Short Shelf Life