Costco Unleashes New Tech to Slash Checkout Times

Long checkout lines have been a persistent headache for Costco members, even the most loyal ones. Now, the retail giant is finally pushing back with a new wave of technology designed to get shoppers out the door faster.

In early March 2026, Costco CEO and President Ron Vachris announced during an earnings call that the company was piloting innovative "automated pay stations" in various warehouses. This system involves employees scanning items in a customer's cart while they are still waiting in line. By the time members reach the cashier, their purchases are already processed, requiring only a quick scan of their membership card, a review of the total, and payment. The goal is ambitious: to reduce the final transaction time to an average of approximately eight seconds.

Costco CFO Gary Millerchip provided further details on this pilot program during the company's second-quarter earnings call, also in early March 2026. Millerchip reported that "Early results show this is improving the flow of traffic, and we have received great member feedback." He also noted that warehouses implementing this pre-scan technology have seen checkout speed improvements of up to 20%, contributing to record levels of checkout productivity in the final weeks of that quarter across U.S. warehouses. Reports indicate the feature began rolling out in some Costco warehouses around Easter weekend 2026.

This isn't Costco's first attempt to tackle checkout efficiency. The company previously experimented with self-checkout kiosks, an endeavor that was largely abandoned. The current pre-scan system marks a significant shift, integrating employees directly into the pre-scanning process rather than relying solely on customer self-service. This approach aims to improve wait times and enhance the customer experience, while also potentially minimizing theft, a problem sometimes associated with self-checkout operations.

Costco, founded in 1983 by James Sinegal and Jeffrey Brotman, built its empire on a membership-based model. Members pay an annual fee for access to bulk savings and exclusive products, a system that generates a substantial portion of Costco's profitability and fosters exceptional customer loyalty. Membership renewal rates consistently exceed 90% in the U.S. and Canada, underscoring the company's commitment to value and customer satisfaction. Addressing long checkout lines is critical for maintaining this high level of member retention, as slow checkouts can detract from an otherwise positive shopping experience.

Beyond the checkout lanes, Costco has been on a broader digital modernization push. In 2023, the company significantly improved its mobile application, introducing features like digital membership cards and shopping list management tools. These enhancements dramatically boosted the app's rating from a reported 2.3 stars to a positive 4.7 stars by early 2024. In 2024, the company also rolled out membership-scanning devices at warehouse entrances across the United States. This policy requires members to scan their physical or digital card for entry, a measure implemented to curb unauthorized membership sharing. While some customers initially worried about potential slowdowns, the change was generally supported by members.

However, the transition to the new pre-scan system has not been entirely smooth. Online forums, such as Reddit, have seen mixed reviews from both employees and customers. Some customers praised the experience as faster and more convenient, appreciating not having to unload and reload their carts. Conversely, other users reported confusion and even longer lines, with one user complaining of items being scanned multiple times by different employees, leading to a less efficient experience.

Employees on these forums reportedly described the initial rollout as a "disaster," with some stating that lines became worse and the system felt "very slow and unnecessary," particularly in locations lacking two dedicated staff members for the pre-scanning process. These accounts highlight the inherent challenges in scaling new retail technologies, where anticipated efficiency gains may not always translate seamlessly on the ground, requiring a learning curve for stores, workers, and shoppers alike.

Costco's moves are also influenced by a fiercely competitive landscape. Rival warehouse clubs, notably Sam's Club, have already implemented similar "Scan & Go" features. Sam's Club initially developed this technology in 2013, allowing customers to scan items with their smartphones as they shop and pay through an app, completely bypassing traditional checkout lines. Sam's Club has continued to innovate, even replacing manual receipt checks with AI and computer vision technology in January 2024. Costco's investment in pre-scanning and automated pay stations is a strategic response to this intensifying competition and aligns with a broader retail trend focused on eliminating friction at the point of sale.

In addition to the pre-scan system, Costco is also enhancing mobile wallet capabilities and pharmacy pay-ahead options. These ongoing initiatives underscore the company's continuous investment in technology, all aimed at improving checkout speed, boosting employee productivity, and ultimately, safeguarding the high level of member satisfaction that is central to its enduring success. The coming months will reveal how effectively Costco navigates the complexities of widespread implementation and whether these technological upgrades deliver on their promise to transform the shopping experience for millions of members.