This insider tip is hidden on Walmart’s website, but it can save you tons of cash. The site reads, “We will match Walmart.com and Jet.com base price, for identical items purchased in a Walmart store,” as long as the item meets the following criteria:

The item must be currently in-stock online. The size, model, quantity, brand, color, etc. must match exactly.

RELATED: For more up-to-date information, sign up for our daily newsletter. Just know that the register may prompt the Walmart associate to get supervisor approval and that quantities may be limited to “one-per-customer, per item, per day.” An anonymous Walmart associate confirmed this trick to Business Insider, saying that checking prices online can often lead to in-store savings that can add up quickly. “If the item costs less online, then the store will comp,” the employee revealed in 2019. “The item just has to be sold on Walmart.com.” Internet-savvy shoppers have used this tactic for some time, but now that the world’s largest retailer has greatly expanded its online retail platform, chances are even higher that you could find some sweet savings on Walmart’s website. A similar approach also works for orders made online, as Walmart.com will also match prices on the same products that competitors are selling on their sites. “If you find a lower price from an online retailer on an identical, in-stock product, tell us and we’ll match it,” the Walmart website reads. “If you think you are eligible … contact Walmart Customer Care before you place your order. We will verify the item eligibility.“ae0fcc31ae342fd3a1346ebb1f342fcb So next time you are purchasing a big-ticket item at Walmart, whether in-store or online, do some research first—it might just save you a pretty penny. For more tricks on what, and what not to purchase at the retail giant, check out The 20 Worst Things to Buy at Walmart.