Aldi, a well-known European store, entered the U.S. market in 2017, introducing a variety of new products. However, one rule puzzled first-time customers: the need to pay to use Aldi’s shopping carts.

Aldi, a German grocery chain, requires shoppers to pay for carts for several reasons. The store is famous for offering high-quality products at affordable prices. To maintain these low prices, Aldi cuts costs in other areas, such as not hiring extra staff to retrieve carts. Instead, customers are encouraged to return their own carts, saving the company money.

This practice reflects Aldi’s European roots, where there is less emphasis on shopping carts. Many European countries use “coin-release” carts, and in some places, like Italy, people rarely use carts at all. This contrasts with American shopping habits, where carts are more commonly used. One factor behind this difference could be the variation in home sizes between Europe and the U.S.

European homes tend to be older and smaller, resulting in smaller kitchens and appliances. Consequently, Europeans purchase fewer items at a time. In contrast, American homes typically have larger kitchens with more storage space, encouraging bulk purchases from stores like Costco or Sam’s Club, making carts a necessity.

Aldi’s cart payment system also helps deter theft. In the U.S., shopping cart theft has become more frequent, partly due to a rise in homelessness. Replacing stolen carts can be costly, ranging from $75 to $250 per cart, creating significant losses for many businesses. By requiring customers to pay a small deposit, Aldi not only discourages theft but also benefits its shoppers by keeping prices low.

To use a cart, customers insert a quarter, which is refunded when the cart is returned. This refundable deposit encourages people to return carts to their designated spots, helping to keep parking lots clear and preventing carts from damaging cars. Though the system may seem inconvenient, it provides clear advantages for both Aldi and its customers.

Michael Roberto, a professor of management, attributes the success of Aldi’s cart system to “basic human psychology.” Aldi shoppers, mindful of their budgets, are motivated to return carts to get their quarter back. However, some studies suggest the system may not be foolproof, as some individuals are willing to pay a quarter to “buy” a cart for themselves.

As theft continues to rise in the U.S., more stores are adopting measures to prevent it. Some stores, like Target, have installed lock mechanisms on cart wheels, which automatically lock when carts are taken too far from the store or parking lot. Beyond cart theft, merchandise theft is also on the rise, leading stores to secure high-theft items.

Stores such as Home Depot, Walmart, and Target have started locking up frequently stolen items, such as power tools, laundry soap, and cosmetics. The retail industry is actively searching for solutions to the $95 billion shoplifting problem. Many stores have increased security by installing more cameras, hiring security guards, and even employing military personnel. Some retailers are also using “lot cops,” which are speakers that notify people that the area is being monitored.

Aldi’s cart deposit system is a small but effective measure. It promotes personal responsibility and helps maintain an organized environment. While it may seem like an inconvenience, customers can easily get their quarter back by returning the cart. Aldi, though not yet a household name in the U.S., has over 2,000 locations across the country. If you’re curious to find one, Aldi offers a store locator for convenience.