The policies differ in how long the price matching lasts. But in every case, it's the exact same item, down to the color.

Scan, show, save: Use the Walmart app’s barcode scanner to find the exact item and price, then flash the product page at checkout—most stores will match on the spot if it’s the identical item and in ...

Overpaying happens more often than shoppers realize, but a little knowledge can keep more cash in your pocket.