In both cases, you need to be aware of all kinds of exclusions and caveats. The basic parameters of price matching in particular require the item in your cart to be identical to the item included in the competitor’s sale, right down to the brand, size, quantity, color, weight, and model number. A retailer typically provides a list of competitors it’s willing to match, and most require the product to be shipped and sold by one of those competitors. (In other words, third-party and marketplace sellers don’t qualify.)