If you’ve ever tried buying something online—say, a specialty blender, a limited-edition book, or a piece of furniture—and saw a “back-order” notification pop up, you probably wondered: how does the shopping cart actually handle that? As a shopping cart supplier that works with supermarkets, grocery chains, and specialty retailers around the world, I’ve spent years troubleshooting and refining how our carts (both digital and physical, though we’re experts on the latter) manage back-ordered items. Let’s break this down, because it’s not just a simple “add to cart and wait” process—there’s a lot of logic that keeps both retailers and customers from getting frustrated.
First, let’s define what a back-ordered item is, because the term trips a lot of people up. A back order happens when a retailer can’t fulfill an item immediately because they don’t have enough stock on hand, but the product is still being produced or sourced from a manufacturer. For our physical shopping carts, this is a bit of a different scenario—though we do see “back orders” when a store requests a custom cart (like a double-basket model for a busy urban market) that we’re not able to ship right away. But for the digital shopping carts that power online stores, this process is even more critical, because a customer might have their heart set on an item that’s not in stock.
When a customer clicks “add to cart” on a back-ordered product, the first thing the shopping cart system does is check against the retailer’s inventory database. Our clients’ carts—like the ones we supply, from the standard Supermarket Shopping Trolley Carts to heavy-duty models for wholesale clubs—all have a built-in inventory sync. If the item is marked as back ordered, the cart won’t remove it from the customer’s basket, but it will flag it separately from in-stock items. That’s a key distinction: the cart doesn’t hide the back-ordered item, and it doesn’t mix it in with products that are ready to ship. For example, if someone is buying a 20-pound bag of rice (always in stock) and a custom Heavy Duty Shopping Trolley (back ordered because we’re awaiting a batch of steel), the cart will display two sections: “in stock items” and “back ordered items.” That way, the customer knows exactly what they’re waiting on, and the retailer can clearly separate those items for fulfillment.
Next, the shopping cart handles pricing and payment differently for back-ordered items. Most customers don’t want to pay for a product that won’t ship for two weeks, so our system only charges for in-stock items when the customer checks out. Back-ordered items either have a $0 hold (meaning no charge until they ship) or a small deposit, which is up to the retailer to decide. For a small grocery chain using our Metal Grocery Shopping Carts (which are durable, no-frills models for high-traffic stores), they might choose no deposit to reduce cart abandonment. A specialty retailer selling higher-end carts, though, might ask for a 20% deposit to secure the back-ordered item—since our production timelines can take 4-6 weeks for custom models like the Nestable Shopping Trolley (which stacks neatly for easy storage between uses). That deposit is handled directly through the shopping cart, with a clear note explaining that it’s non-refundable only if the retailer cancels the order, not the manufacturer.
Another big part of the process is communication. A good shopping cart doesn’t just sit there and let the customer wonder when their back-ordered item will arrive. Our carts send automatic updates: when the back-ordered item is added to the customer’s basket (with an estimated ship date), when it’s ready to ship, and when it’s out for delivery. For retailers, the cart also sends alerts to their fulfillment team, so they can pick the in-stock items separately and package them to ship right away, while the back-ordered item goes out as soon as it arrives. This prevents the common frustration of waiting for a whole order just because one item is late. For example, a customer who buys a standard double-basket trolley (which is often in stock) and a back-ordered special edition cart won’t have to wait for the special one—they get the double basket immediately, and the other ships when it’s ready. That’s a small tweak, but it reduces customer complaints a lot.
Now, what happens if a back-ordered item gets canceled or delayed beyond the initial estimate? The shopping cart has protocols for that too. If the manufacturer tells us a Double Basket Shopping Trolley will take two extra weeks, the cart will automatically notify the customer and offer two options: wait for the new date, or remove the item from the cart and get a refund. No one likes being blindsided by a delay, so this is all handled through the cart’s user interface—no phone calls required, unless the customer wants to talk to someone. For retailers, the cart also tracks these delays, so they can see which products are causing hold-ups and adjust their inventory orders next time. That’s a feedback loop that makes the whole system work better for everyone.
I’ve seen a lot of mistakes in how shopping carts handle back orders over the years. Some systems hide back-ordered items until the customer checks out, which leads to surprise fees and cart abandonment. Others mix back-ordered and in-stock items together, so a customer might accidentally order something that’s not ready to ship. That’s why, when we supply our shopping carts (both physical models for stores and the digital cart tools that power online sales), we make sure the back-order process is as transparent as possible. It’s not just about moving products—it’s about building trust between retailers and their customers.
If you’re a store owner who’s struggled with back-ordered items causing confusion in your shopping cart, or you’re looking to upgrade your physical carts (from the heavy-duty models for your bulk section to the metal grocery carts that hold up to daily use), we’re here to help. We work with retailers of all sizes to customize both their physical cart needs and their digital cart systems to handle back orders smoothly. To learn more about how we can support your business, reach out to our team for procurement discussions.
References
- Smith, J. (2022). E-Commerce Fulfillment Best Practices for Back-Ordered Inventory. Retail Technology Journal, 18(3), 45-62.
- Lee, S. (2021). Customer Retention and Transparency in Online Shopping Carts. Journal of Retail Operations, 12(2), 112-128.
- Global Shopping Cart Association. (2023). Standardized Protocols for Physical and Digital Cart Inventory Management. International Retail Equipment Report, 29, 17-24.