Replacement Guide

How to Build Your Own BigCommerce

Replace BigCommerce with a custom build. Flex your way to ecommerce success

Multi-Week
115 features53 integrations2-4 weeks

Estimated Timeline

Based on 115 features at Multi-Week difficulty, expect about 2-4 weeks with AI-assisted development.

1
Architecture & planning
2-3 days
2
Core platform (Phase 1)
1 week
3
Feature parity (Phase 2)
1 week
4
Integrations (Phase 3)
3-5 days
5
Testing & hardening
2-3 days

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Stripe

Payment processing, subscriptions, and invoicing

Key Features to Replicate

Top features across 8 categories. See all 115 features

Multi-Channel(10 features)

Amazon Integration

Native integration with Amazon Marketplace for listing BigCommerce products on Amazon, syncing inventory, and managing orders from the BigCommerce admin. Supports Amazon FBA (Fulfillment by Amazon) integration for leveraging Amazon's fulfillment network. No third-party app required.

eBay Integration

Native connection to eBay for listing products, syncing inventory, and managing orders directly from BigCommerce. Create eBay listings from existing BigCommerce products with category mapping, pricing rules, and automatic inventory updates to prevent overselling.

Facebook & Instagram Shop

Create a Facebook Shop and Instagram Shopping experience synced with your BigCommerce catalog. Tag products in social media posts and stories for direct purchasing. Sync product listings, pricing, and inventory automatically between BigCommerce and Meta's commerce platforms.

Google Shopping & Merchant Center

Sync your product catalog with Google Merchant Center for Google Shopping ads, free product listings, and Buy on Google. Automatic product feed generation with proper formatting for Google's requirements. Supports Performance Max campaigns and local inventory ads.

Multi-Channel Selling (Channel Manager)

Sell on Amazon, eBay, Walmart, Google Shopping, Facebook, Instagram, TikTok, Pinterest, Wish, and Mercado Libre from a single BigCommerce dashboard. The Channel Manager keeps inventory, pricing, and product details synchronized across all connected marketplaces and social platforms in real-time.

+5 more in this category

Product Management(10 features)

Bulk Product Editing

Edit multiple products simultaneously through the admin dashboard or via CSV import/export. Update prices, descriptions, inventory levels, categories, and other product attributes in bulk. Supports exporting the full catalog or selected products to CSV, making changes in a spreadsheet, and re-importing the updated data.

Catalog Price ListsPremium

Create custom price overrides for specific products based on customer groups, allowing different visitors to see different prices. Especially useful for B2B scenarios with negotiated pricing, wholesale tiers, or VIP customer segments. Available on Plus plan and above, with advanced features on Enterprise.

CSV Import/Export

Import and export product data, customer data, and order data via CSV files. Supports bulk product creation, updates, and migration from other platforms. The V3 catalog format handles products, variants, options, custom fields, and images in a structured CSV format with clear column mapping.

Digital Products & Downloads

Sell digital products including software, ebooks, music, videos, and other downloadable files. Supports automatic delivery of download links after purchase, download limits, and expiration dates. Files are securely hosted on BigCommerce's CDN with protected URLs to prevent unauthorized access.

Product Custom Fields

Add unlimited custom fields to products for displaying additional information like ISBN, release date, material composition, or any other specifications. Custom fields appear on the product page and can be used for filtering and search. Supports bulk import and export via CSV for large catalog management.

+5 more in this category

Marketing & Promotions(9 features)

Abandoned Cart RecoveryPremium

Automatically send email reminders to customers who added items to their cart but did not complete the purchase. Configurable delay timing, email templates, and frequency of follow-up emails. Includes direct links back to the saved cart for one-click checkout completion. Available on Plus plan and above.

Automatic Promotions Engine (70+ Discount Rules)

Over 70 built-in promotion types that apply automatically at checkout without coupon codes. Includes BOGO (buy one get one), quantity discounts, tiered pricing, percentage off, dollar off, free shipping, and category-level discounts. Rules can be stacked, scheduled, and targeted to specific customer groups or cart conditions.

Bulk Pricing & Tiered Discounts

Set quantity-based pricing tiers that offer discounts when customers buy larger quantities. Configure bulk pricing per product with percentage or fixed-amount discounts at each quantity threshold. Encourages larger orders and is particularly useful for B2B and wholesale scenarios.

Coupons & Discount Codes

Create coupon codes with percentage discounts, fixed dollar amounts, or free shipping offers. Set expiration dates, usage limits (total uses and per-customer limits), and minimum order requirements. Coupons can apply to the entire order, specific products, or product categories. Supports bulk coupon generation for large campaigns.

Customer Groups & SegmentationPremium

Organize customers into groups based on purchase behavior, membership level, or business type. Assign different pricing, promotions, product visibility, and payment methods per group. Useful for creating wholesale tiers, VIP programs, or B2B vs B2C experiences. Available on Plus plan and above.

+4 more in this category

B2B Commerce(8 features)

B2B EditionPremium

Comprehensive B2B commerce add-on that includes company accounts, buyer portal, quote management, purchase orders, net payment terms, shared shopping lists, sales representative assignment, and approval workflows. Designed for manufacturers, wholesalers, and distributors selling to business customers.

Buyer PortalPremium

Dedicated self-service portal where B2B buyers can manage orders, quotes, invoices, shopping lists, address books, user logins, and approval workflows. Supports reordering from previous purchases, bulk order entry via SKU or CSV upload, and company-specific pricing visibility.

Company Account StructurePremium

Set up parent and sub-accounts within a single company profile for organizations with multiple departments, locations, or buying groups. Each sub-account can have its own users, budgets, and approval workflows while sharing the parent company's billing and contract terms.

Purchase Orders & Net TermsPremium

Allow B2B buyers to pay via purchase orders with configurable net payment terms (Net 5, 15, 30, 45, 60 days). Merchants can manage approved payment methods per company account. Integrates with invoicing and accounts receivable workflows for tracking outstanding payments.

Quick Order (SKU Entry)Premium

Allow B2B buyers to rapidly add products to their cart by entering SKUs directly or uploading a CSV file with product codes and quantities. Bypasses traditional browsing for repeat buyers who already know what they need, significantly speeding up the purchasing process for high-volume orders.

+3 more in this category

SEO(8 features)

301 Redirects

Create and manage URL redirects to preserve search engine rankings when pages are moved, renamed, or deleted. Supports manual redirect creation, automatic redirects when product URLs change, and bulk redirect import via CSV. Prevents 404 errors and ensures link equity is passed to the correct destination pages.

AMP (Accelerated Mobile Pages)

Support for Google AMP on category and product pages for faster mobile loading times. AMP pages load nearly instantly on mobile devices, improving user experience and potentially boosting mobile search rankings. AMP content is served from Google's CDN for maximum performance.

Automatic XML Sitemap

BigCommerce automatically generates and maintains an XML sitemap at yourdomain.com/xmlsitemap.php that includes all products, categories, brand pages, and content pages. The sitemap is automatically updated when new pages are added or existing ones are modified, ensuring search engines always have the latest site structure.

Google Analytics Integration

Native integration with Google Analytics 4 for tracking ecommerce events including page views, product impressions, add-to-cart actions, checkout steps, and purchases. Supports Enhanced Ecommerce Reporting with funnel visualization. Provides deep insights into customer behavior, traffic sources, and conversion patterns.

Meta Tags & Descriptions

Customize meta titles and descriptions for every product, category, brand, and content page. Set default templates for auto-generated meta tags or manually write unique tags for each page. Proper meta tags improve click-through rates from search results and give merchants control over how pages appear in search engines.

+3 more in this category

Shipping & Fulfillment(8 features)

Flat Rate & Weight-Based Shipping

Configure static shipping rates using flat rate per order, flat rate per item, or weight-based tiered pricing. Create shipping zones to apply different rates by geographic region. Supports multiple shipping methods per zone so customers can choose between economy and express options.

Free Shipping Rules

Configure conditional free shipping based on order value thresholds, specific products, customer groups, or geographic zones. Free shipping promotions can be combined with coupon codes or set as automatic rules. Helps increase average order value by incentivizing customers to reach the free shipping minimum.

Inventory Tracking

Automatic inventory level tracking with stock quantity updates on every sale, return, or manual adjustment. Set low-stock alerts to get notified when inventory falls below configurable thresholds. Supports inventory tracking at the variant level for products with multiple options like size and color.

Multi-Warehouse Inventory

Manage inventory across multiple warehouse and drop-ship locations. Standard plan supports 4 inventory locations, Plus supports 5, Pro supports 8, and Enterprise supports unlimited. Orders can be routed to the nearest fulfillment center for faster delivery and lower shipping costs.

Order Management

Comprehensive order management system for viewing, editing, and fulfilling orders from the admin dashboard. Supports order status tracking, partial fulfillment, split shipments, order notes, and manual order creation. Includes order search and filtering, bulk actions, and integration with shipping providers for label generation.

+3 more in this category

Store Management(7 features)

24/7 Customer Support

Round-the-clock technical support available via phone, live chat, and email/ticket on all plans. Access to BigCommerce's Help Center with extensive documentation, how-to guides, video tutorials, and a community forum. Enterprise customers receive priority support with dedicated account managers.

99.99% Uptime Guarantee

BigCommerce guarantees 99.99% platform uptime backed by a service level agreement. The platform is hosted on Google Cloud Platform infrastructure with automatic scaling, redundancy, and disaster recovery. Ensures stores remain operational during peak traffic events like Black Friday and flash sales.

Customer Account Portals

Self-service customer account area where shoppers can view order history, track shipments, manage addresses, update payment methods, submit returns, and reorder previous purchases. Reduces support ticket volume by empowering customers to manage their own account information and order status.

Role-Based Access Control

Define custom staff roles with granular permissions controlling access to specific areas of the admin panel. Restrict access to sensitive functions like payment settings, store design, or customer data. Create specialized roles for warehouse staff, marketing team, customer service, and finance personnel.

Transactional Emails

Customizable email templates for all automated store communications including order confirmation, shipping notification, account creation, password reset, return authorization, and abandoned cart reminders. Edit HTML/CSS of email templates to match brand styling and include custom messaging.

+2 more in this category

Storefront(7 features)

Blog

Built-in blogging platform integrated directly into the storefront. Create and publish blog posts with rich text formatting, images, categories, and tags. Supports SEO optimization with custom URLs, meta titles, and descriptions. Useful for content marketing, driving organic traffic, and building brand authority.

Custom Domain & SSL

Connect a custom domain name to your BigCommerce store with automatic SSL certificate provisioning. All stores get sitewide HTTPS encryption at no additional cost, supporting TLS v1.2 and v1.3 for the strongest encryption. Enterprise plans include dedicated SSL and Extended Validation SSL options.

Mobile-Responsive Design

All BigCommerce themes are built with responsive design that automatically adapts to any screen size, including desktop, tablet, and mobile devices. Mobile-optimized checkout, navigation, and product browsing ensure a seamless shopping experience across all devices without requiring a separate mobile site or app.

Online Store Builder

Full-featured online storefront with responsive design, customizable themes, and a drag-and-drop Page Builder for visual editing. Merchants can create and manage product pages, category pages, landing pages, and blog posts without writing code. Supports custom HTML, banners, carousels, image galleries, and embedded media widgets.

Page Builder (Drag-and-Drop Editor)

Browser-based visual editing tool that lets merchants customize their storefront without code. Supports drag-and-drop content blocks including text, images, videos, banners, carousels, buttons, and custom HTML. Changes preview in real-time and can be published instantly. Available for homepage, category pages, and content pages.

+2 more in this category

Cost Calculator

Keep Paying BigCommerce

Monthly$39/mo
Yearly$468/yr
5-Year Total$2.3k

Build It Yourself

Est. Build Time~26 hrs
Hosting$20/mo
DifficultyComplex

Total Cost Comparison

1 YearSave $228
SaaS
$468
DIY
$240
3 YearsSave $684
SaaS
$1.4k
DIY
$720
5 YearsSave $1.1k
SaaS
$2.3k
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 115 features at complex complexity.

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