How Much Does an E-Commerce Website Cost?
The real cost of an online store — what you pay upfront, what you pay every month, and the fees nobody warns you about.
An e-commerce website typically costs anywhere from a few hundred dollars a year for a DIY store you build yourself, up to the mid-five figures for a custom agency build. Most small businesses land in between: expect a mid-three to low-four-figure setup, plus ongoing monthly costs for hosting, a store platform, payment processing (usually around 2.9% + 30¢ per sale), and maintenance. The upfront quote is rarely the true cost — the recurring fees are.
Why is there no single price for an online store?
Because “e-commerce website” covers everything from a five-product Etsy-style shop to a warehouse-connected store moving thousands of orders a month. The price swings on three things: who builds it (you, a freelancer, or an agency), how custom it is (a template versus a bespoke design), and how much it has to do (simple checkout versus inventory sync, subscriptions, and multi-currency). Two stores that look nearly identical can differ by tens of thousands of dollars once you count the plumbing behind the checkout.
So the honest answer is a range, and the useful answer is understanding which parts of that range apply to you. That is what the rest of this guide walks through.
What are my options for building an e-commerce site — and what does each cost?
There are four common routes to an online store. They trade money for time and control in predictable ways.
DIY on a hosted platform
Shopify, Wix, Squarespace, or WooCommerce with a template. You do the work; the platform charges a monthly fee. Cheapest in dollars, most expensive in your hours. Good for a handful of products and a founder with time.
Cost: low monthly fee + your time.
Freelancer + template
You hire one person to set up and style a template store. Faster than DIY, and it looks more polished. Quality varies a lot by who you hire, and support usually ends when the project does.
Cost: mid-three to low-four figures, one-time.
Custom agency build
A studio designs and builds a bespoke store, often with custom features and integrations. Highest quality and most control — and the mid-five-figure territory where sticker shock lives. Overkill for most small shops.
Cost: high-four to mid-five figures, one-time, plus retainer.
Managed monthly plan
Someone builds and runs the store for you on a flat monthly fee — no big upfront project bill. You get an agency-quality result without the project-quote gauntlet. This is the route Web Engine takes.
Cost: one predictable monthly fee, everything included.
What ongoing costs come with an e-commerce website?
The build price gets the headlines, but an online store is a machine you keep feeding. Budget for these every month, no matter which route you pick:
- Hosting & platform. Where the store lives and the software that runs the checkout. On hosted platforms this is a monthly subscription; on self-hosted WooCommerce it is hosting plus your own upkeep.
- Payment processing. The unavoidable one. Card processors take roughly 2.9% + 30¢ per transaction on most plans. On $10,000 in monthly sales that is around $300 a month — money that scales with revenue, not a flat fee.
- Domain & SSL. Your web address (a low yearly cost) and the security certificate that makes the padlock appear. Most modern platforms include SSL free.
- Apps & plugins. Reviews, email capture, shipping labels, subscriptions, tax calculation. Each handy add-on is often its own monthly fee, and they stack up fast.
- Maintenance & security. Updates, backups, and fixes when something breaks at 2 a.m. Skip this and you gamble with the site that takes your customers’ money. See our website support plan for what this involves.
- Email & marketing tools. Not strictly the website, but nearly every store needs email marketing, and that is another recurring line item.
Add these up and a “cheap” DIY store can quietly cost more per year than an all-inclusive managed plan — once you count the apps, the processing, and the weekend hours you spend keeping it alive.
New Business Website
A professional website built for your business — design, hosting, security, and reviews handled for you.
- Custom professional design
- Hosting & security included
- Mobile-first & fast
- Live review widget built in
Website Support
Already have a website? We keep it updated, secure, fast — and make your changes for you.
- Updates, backups & security
- Content edits done for you
- Speed & uptime monitoring
- Works with sites we didn’t build
What costs do people forget to budget for?
The gap between what people expect to pay and what they actually pay usually comes from these five:
Product photography
Online, your photos are the product. Good images either cost money to shoot or hours to do well yourself. It is the line item most first-time store owners underestimate.
Content & product descriptions
Every product needs a title, a description, specs, and search-friendly copy. For a large catalog this is a real, and often outsourced, expense.
Transaction fees on top of processing
Some platforms charge their own percentage on each sale on top of the card processor’s cut, unless you use their in-house payments. Read the fine print before you commit.
Getting found
A store nobody can find earns nothing. SEO, local search, and ads are the cost of traffic — separate from the cost of the store itself, and easy to forget in the build budget.
None of this means an online store is a bad investment. It means the sticker price is the beginning of the conversation, not the end. If you would rather not assemble and pay for all these pieces separately, a done-for-you build folds most of them into one bill.
How much should a small business spend?
Match the spend to the stage. Overbuilding early is the most common expensive mistake.
- Just testing an idea? Start on a DIY hosted platform with a template. Keep upfront cost near zero and prove people will buy before you invest in design.
- Steady sales, a real brand? This is where a professional build pays for itself — a store that loads fast, looks trustworthy, and converts is worth far more than the fee. A managed monthly plan gets you there without a five-figure upfront hit.
- High volume or complex needs? Subscriptions, wholesale pricing, ERP sync, or thousands of SKUs justify a custom agency build. Below that threshold, custom is usually money spent on features you will not use.
The best value for most small businesses is not the cheapest option or the most expensive — it is the one where the monthly cost is predictable and someone else handles the upkeep, so you can spend your time selling instead of patching.
E-commerce website cost FAQs
How much does it cost to build an e-commerce website from scratch?
A truly custom, built-from-scratch online store from an agency generally runs from the high-four figures into the mid-five figures, depending on features and integrations. Most small businesses do not need a from-scratch build — a well-configured platform store delivers the same customer experience for a fraction of the cost. Web Engine builds and runs your store on a flat monthly plan instead of a large upfront project fee; see the web design page.
Is Shopify or WooCommerce cheaper?
It depends on how you count. Shopify has a predictable monthly subscription but adds transaction fees unless you use its own payments, and many features come from paid apps. WooCommerce is free software, but you pay for hosting, security, and maintenance yourself, and setup takes more technical skill. For most owners the deciding factor is not the platform’s price tag but how much of the work you want to do yourself versus hand off.
What are the ongoing monthly costs of an online store?
Plan for hosting and platform fees, payment processing (around 2.9% + 30¢ per sale), any paid apps or plugins, a domain, and maintenance and security. These recurring costs, not the initial build, are what determine the true long-run price of running a store. Our website support plan covers the maintenance and security side.
Can I build an e-commerce website for free?
You can start a store with no upfront build cost using a free platform tier, but “free” stops at the software. You will still pay payment processing on every sale, and usually a monthly fee once you want a custom domain, more products, or fewer platform restrictions. Free is a fine way to test whether people will buy — just budget for the real costs before you scale.
Why do e-commerce quotes vary so much?
Because “e-commerce site” describes wildly different amounts of work. A template store with a simple checkout and a bespoke build with inventory sync, subscriptions, and custom design are both “e-commerce websites,” and they can differ by tens of thousands of dollars. Always ask a quote to spell out what is included and what is billed separately.
Does Web Engine build online stores?
Yes. We build and maintain e-commerce websites on a flat monthly plan — design, hosting, security, and store setup included, with no large upfront project fee. You can see exactly what is included and get started on the web design page.
Related guides
- How much does a website cost? — the same breakdown for a standard business website, without the store on top.
- How long does it take to build a website? — realistic timelines from sign-up to launch.
- Shopify vs. WordPress for e-commerce — how the two most common store platforms actually compare.
- Web design at Web Engine — see how a done-for-you store works on one monthly plan.
New Business Website
A professional website built for your business — design, hosting, security, and reviews handled for you.
- Custom professional design
- Hosting & security included
- Mobile-first & fast
- Live review widget built in
Website Support
Already have a website? We keep it updated, secure, fast — and make your changes for you.
- Updates, backups & security
- Content edits done for you
- Speed & uptime monitoring
- Works with sites we didn’t build