Selling Configurable Products Online: Key eCommerce Challenges
September 24, 2026
By: Tiffany Hindman
Summary: What makes configurable products difficult to sell online? Configurable products create additional eCommerce complexity because product options, pricing, inventory, compatibility rules, and order data must all work together. As customers make selections, businesses need to ensure the correct configurations, pricing, availability, and order details are accurately presented online and transferred to the ERP for fulfillment.
What makes configurable products difficult to sell online?
Configurable products give customers more control over what they purchase, but that flexibility creates additional challenges for eCommerce businesses. Product options, pricing rules, inventory, compatibility, product data, and order information all need to work together.
Selling a standard product online is relatively straightforward. A customer finds an item, selects a quantity, and places an order.
Configurable products can be very different. A customer might need to choose dimensions, materials, finishes, components, accessories, or other options before an order can be completed. Each selection can affect what is available, how much the product costs, and what information needs to be passed to the ERP.
For manufacturers and distributors, that complexity can create challenges across the entire eCommerce experience.
The Product Page Has to Do More Work
A configurable product often cannot be presented like a standard SKU.
Customers need enough information to understand their available choices and how those choices affect the final product.
The challenge is giving customers control without making the buying process confusing. If customers cannot easily understand what they are selecting, they may abandon the process or place an order that requires clarification later.
- Multiple product options
- Required and optional selections
- Compatible components
- Dependencies between options
- Different pricing based on selections
- Images that change based on configuration
- Product specifications
- Availability information
Product Options Can Create Combinations Quickly
One product with a handful of options can represent a surprisingly large number of possible configurations.
For example, a product might have:
That creates hundreds of potential combinations before additional choices are even considered.
The eCommerce platform does not necessarily need to create a separate SKU or product page for every possible combination. In many cases, the system needs to understand the available options and rules while allowing the customer to build the product they want.
This is where product structure becomes particularly important.
Not Every Option Works With Every Other Option
Configuration is rarely just a collection of independent choices.
One selection may determine what the customer can choose next. A particular size might only support certain materials. A specific component might require another component. An accessory might not be compatible with a particular configuration.
These relationships need to be represented somewhere in the system.
If the eCommerce experience allows customers to select combinations that cannot actually be produced or fulfilled, the problem may not become visible until after the order has been placed.
That creates unnecessary work for sales, customer service, and operations.
Pricing Can Become More Complicated
Configurable products can also make pricing more difficult.
The base product may have one price, while individual selections add or subtract from that amount. Some options may have different prices depending on the customer, quantity, or account. For B2B businesses, pricing may also depend on negotiated agreements or customer-specific pricing structures.
The eCommerce experience therefore needs to calculate the appropriate price based on the configuration and the customer placing the order.
This becomes especially important when pricing originates in the ERP. The website cannot simply display a generic price if the actual transaction depends on information maintained elsewhere.
Inventory Is Not Always as Simple as a SKU
Inventory can become another challenge when products are assembled from multiple components.
A configurable product may depend on the availability of several items rather than one finished SKU. For example, a customer may configure a product using a particular frame, material, component, and accessory. Even if the finished product does not exist as a stocked item, the components required to build it may need to be available.
That means businesses need to understand what inventory information should be presented to customers and how configuration choices affect fulfillment.
Simply displaying an "In Stock" message may not accurately reflect whether all components required to fulfill the selected configuration are available.
The ERP Still Needs to Understand the Order
One of the biggest challenges happens after the customer clicks "Place Order."
The eCommerce platform needs to pass enough information to the ERP for the business to understand exactly what was purchased.
If the ERP receives only a generic product number without the configuration details, employees may not have enough information to manufacture, pick, price, or fulfill the order correctly.
For organizations running Microsoft Dynamics 365, configuration data, pricing rules, inventory availability, and order details often originate in the ERP. The eCommerce platform must be able to exchange this information accurately so customers can configure products online while business processes continue to operate correctly behind the scenes.
This is why configurable product experiences need to be considered across the entire technology stack rather than treated as a feature that only belongs on the website.
- The base product
- Selected options
- Component information
- Configuration details
- Pricing adjustments
- Quantities
- Customer information
- Shipping requirements
Configuration Rules Need to Be Managed Somewhere
Another question businesses need to answer is where the rules governing configurations should live.
Some information may originate in the ERP. Other information may need to be presented or enforced within the eCommerce platform. The important thing is that the systems agree on the rules.
If configuration logic is maintained separately in multiple places, keeping everything synchronized can become difficult. A change to an available option, product component, price, or compatibility rule may need to be reflected across several systems.
Without a clear approach to managing that information, configuration projects can become difficult to maintain.
The Customer Experience Still Matters
Technical complexity should not become the customer's problem.
A configurable product experience should help customers understand their choices as they build an order.
The goal is not to hide the complexity of the product. It is to organize that complexity in a way customers can understand.
- Showing only valid options
- Explaining what each option changes
- Updating pricing as selections are made
- Displaying relevant product images
- Preventing incompatible combinations
- Showing the completed configuration before checkout
- Carrying configuration details into the order
Configurable Products Require More Testing
A standard product may have a relatively simple purchase path. A configurable product can have many different paths.
That means testing needs to account for more than whether the product page loads and the checkout works.
The number of possible scenarios can grow quickly. Testing should therefore be part of the implementation plan from the beginning rather than something added at the end of the project.
- Different combinations of options
- Invalid combinations
- Pricing changes
- Customer-specific pricing
- Inventory availability
- Order data
- ERP processing
- Configuration information
- Changes to product rules
Understand the Product Before Designing the Experience
One of the most common mistakes in a configurable product project is focusing on the website before fully understanding the product and the business rules behind it.
Every configurable product is driven by a set of decisions, dependencies, and requirements. Customers may have multiple options to choose from, certain selections may depend on others, pricing may change based on configuration, and inventory or fulfillment may be affected by the choices made during the buying process.
Before building the eCommerce experience, businesses should have a clear understanding of how the product is sold, configured, priced, and fulfilled. They should also identify what information needs to be shared between the eCommerce platform and the ERP.
When those rules are clearly defined, the technology can be designed to support the business process rather than forcing the business process to adapt to the technology.
Configurable Products Do Not Have to Create a Complicated Buying Experience
Selling configurable products online will always require more planning than selling simple, standardized products.
But complexity behind the scenes does not have to mean complexity for the customer.
When product rules, pricing, inventory, eCommerce, and ERP processes are designed to work together, businesses can give customers the flexibility they expect while keeping operations manageable.
The key is to treat product configuration as an end-to-end business process rather than simply adding more choices to a product page.
At Strabo Partners, we help manufacturers and other product-based businesses build eCommerce experiences that connect the customer experience with the systems running the business.
The result is an eCommerce implementation designed around how your products are actually sold, configured, and fulfilled.
Simplify. Automate. Grow.
Selling Configurable Products? Let's Design It Around Your Business Rules
Strabo Partners connects product configuration, pricing, and inventory with Microsoft Dynamics 365, so your ERP and eCommerce platform stay in sync from selection to fulfillment.