Worried you’re being overcharged when shopping online? Listen to this

This LifeKit episode explores how modern pricing has fundamentally changed due to technology and data collection. Lindsay Owens, a sociologist and author who researches economic forces, explains that companies now use sophisticated algorithms and personal data to determine individualized prices for consumers. Traditional cost-plus pricing—where consumers expected a product's price to reflect its production cost plus a reasonable margin—has been replaced by dynamic and personalized pricing models.

The episode highlights several concrete examples of this shift. A viral JetBlue Twitter exchange revealed that the company's customer service suggested clearing cookies to get better prices, inadvertently confirming that browsing history affects pricing. A major investigation by Owens's organization exposed that Instacart was running A/B testing experiments on millions of shoppers simultaneously, charging some customers up to 23% more than others for identical items at the same location and time.

Owens notes that Americans find this shift deeply unfair. When people learn pricing is based on demand, location, or browsing history rather than actual production costs, they feel cheated. She uses the World Cup dynamic pricing controversy as an example, explaining how market-based pricing disadvantages lower-income consumers even if they value an experience more than wealthier people willing to pay premium prices.

The episode provides five practical takeaways for consumers. First, it warns that surveillance pricing intersects two things people hate: being spied on and being overcharged. Second, shopping through apps and loyalty programs increases data collection that retailers can use against consumers. Third, comparison shopping now requires checking prices across multiple devices, browsers, locations, and login statuses. Fourth, consumers should clear browsing data, limit app permissions, and use VPNs to mask their location and prevent companies from building behavioral profiles. Fifth, shopping in person offers more protection, though electronic shelf labels and smart shopping carts are bringing personalized pricing into physical stores.

Owens emphasizes that being less predictable in shopping habits—varying brands, times, and payment methods—can prevent retailers from confidently charging higher prices. She also stresses the importance of validation: these changes are real, not imaginary, and represent a significant departure from how the economy functioned in previous generations.