Prices at the grocery store changing before your eyes

But the cost of an item could change in the time it takes you to walk from the deli to the frozen aisle. - By Kim

"Grocery stores across the country are swapping out printed price stickers on aisles for electronic ones. 

• Retailers say it saves time...
• Electronic shelf labels (ESLs) are already in place in Whole Foods, Amazon Fresh stores and in regional chains, like Schnucks in the Midwest. Walmart plans to add ESLs to 2,300 stores by 2026.
• They have a point about saving time...The typical Walmart store stocks roughly 120,000 different products. Adjusting all those prices manually takes days. 
• With the ESL system, thousands of prices can be updated in the blink of an eye. Prices can change every 10 seconds...