A US e-commerce website typically costs from about $15,000 for a configured Shopify or WooCommerce store to $75,000+ for custom or heavily integrated builds. The budget depends on the operating model behind the storefront: catalogue complexity, payments, multi-state sales tax, shipping carriers, inventory, returns, promotions, integrations, reporting and support. Price the complete selling operation, not only the visible pages.
Key takeaways
- Catalogue quality and operations are major scope drivers.
- Payments, sales tax, shipping and inventory workflows must be designed together.
- Platform choice follows operating needs and team capability.
- Launch planning must include test orders, refunds, notifications and support.
Who this is for: US retailers, DTC brands, manufacturers and founders planning a first store, migration or custom e-commerce build.
The storefront is only one layer
A polished product page cannot compensate for inconsistent stock, unclear delivery rules or broken order notifications. Scope the customer journey and the internal fulfilment journey together.
- Product catalogue and variants
- Pricing, discounts and promotions
- Sales tax collection across states (economic nexus)
- Card, wallet (Apple Pay, Google Pay) and buy-now-pay-later payments
- Carrier rates, labels and tracking (USPS, UPS, FedEx)
- Inventory and order status ownership
- Returns, exchanges and refunds
- Customer notifications and analytics
Cost drivers
The useful budget discussion identifies which capabilities are configured, customized or built.
| Driver | Lower complexity | Higher complexity |
|---|---|---|
| Catalogue | Simple products and clean data | Variants, bundles, rules and migration cleanup |
| Payments | One processor such as Stripe or Shopify Payments | Multiple processors, subscriptions, B2B invoicing and exception workflows |
| Sales tax | One or two states, built-in tax tools | Multi-state nexus, exemptions and tax-service integration (e.g. Avalara) |
| Fulfilment | Manual shipping from one location | 3PL, warehouse or ERP integration |
| Operations | Small internal team | Roles, approvals, reporting and automation |
Typical US e-commerce budget ranges
Indicative agency ranges in USD; platform subscriptions, apps and payment processing fees are ongoing costs on top.
| Store type | Typical range (USD) |
|---|---|
| Configured Shopify/WooCommerce store on a premium theme | $15,000 – $30,000 |
| Custom-designed store with integrations | $30,000 – $75,000 |
| Headless or custom commerce platform | $75,000+ |
Choose the platform around operations
Shopify, WooCommerce and custom systems can all be correct. Compare integration availability, internal editing skills, extension quality, ownership, reporting and the cost of future changes.
- 1Document catalogue and order rules.
- 2List payment, tax, shipping, accounting (QuickBooks, Xero) and inventory systems.
- 3Identify the internal owner of products, orders and support.
- 4Test required integrations before committing to architecture.
- 5Choose the simplest platform that satisfies current needs and a realistic growth horizon.
Launch-readiness checklist
Run complete orders using real operational scenarios.
- Successful, declined and refunded payments
- Sales tax for in-state and out-of-state addresses
- Out-of-stock and low-stock behavior
- Coupon and promotion rules
- Shipping rates, PO boxes, Alaska/Hawaii and edge addresses
- Email and SMS notifications (with consent)
- Refund and return process
- Mobile checkout and analytics events
Requesting comparable proposals
Provide the same product counts, variants, payment methods, carriers, integrations, migration scope and operational roles to every supplier. Ask what is excluded and what remains manual after launch.
Do not accept a fixed store package as complete until it explains product entry, policies, tracking, testing, training and aftercare.
How to use this guide with your team
An online store connects customer experience with fulfilment operations. Decisions made on the storefront affect payment reconciliation, inventory, packing, delivery, returns and customer support.
Include the people who will operate orders in platform and design reviews. Their exceptions and manual work often reveal requirements that are invisible in a standard happy-path checkout demonstration.
After launch, review failed payments, cancellations, delivery exceptions, support questions and product-data errors alongside conversion metrics. Commercial improvement depends on the complete operation.
Practical next steps
Use the following actions as a short working session. Record decisions, owners and unresolved questions so the article becomes an implementation aid rather than passive reading.
- 1Map customer and fulfilment journeys together.
- 2Test real payment and delivery exceptions.
- 3Assign ownership for catalogue and order states.
- 4Measure checkout and post-purchase failures.
- 5Prioritize fixes by customer and operational impact.
Frequently asked questions
How much does an e-commerce website cost in the US?
Agency-built US online stores typically range from about $15,000 for a configured Shopify or WooCommerce store to $75,000 or more for custom or heavily integrated builds, plus ongoing platform, app and payment-processing fees.
Is Shopify or WooCommerce cheaper?
It depends on subscriptions, hosting, extensions, custom work, payment/tax/shipping integrations and maintenance. Compare total operating cost for the required workflow.
Do I need to collect sales tax in other states?
Possibly. Since the 2018 South Dakota v. Wayfair decision, many states require remote sellers above economic-nexus thresholds to collect sales tax. Confirm your obligations with a tax professional and choose a platform or tax service that supports them.
Sources and further reading
Last reviewed: October 20, 2026
