Related:

• Satisfaction guaranteed, or twice your load back. -- sign on septic tank truck
• Satisfaction guaranteed or your money back.
• All taglines guaranteed to be random or your money back!
• Satisfaction Guaranteed or your Smile cheerfully Refunded.
• Double your intelligence or no money back! -- Gary Larso
• Send $20 and I will double your IQ or no money back.
• You will remember that you forgot to take out the trash when the garbage truck is two doors away.
  -- Murphy's Law No. 35...
• SATISFACTION GUARANTEED ....
  We'll send you another copy if it fails -- computer terms as seen from a Marketing point of view...
• Curiosity killed the cat, but satisfaction brought her back.