You find a product online for $49, send the link to a friend, and discover that the same item appears cheaper on their screen. It sounds like a glitch, but increasingly sophisticated pricing systems can produce different offers, discounts, or prices for different shoppers.
Retailers can adjust prices according to location, demand, shopping behavior, promotions, and other factors, while personalized pricing can go further by tailoring what individual customers see. That means two people shopping for essentially the same thing may not always receive the same deal. For consumers trying to stretch every dollar, understanding why prices differ has become an important shopping skill.