Getting into e-commerce has never looked easier; but there is a big difference between opening a store and running a store that sells. The 10 mistakes below repeat in almost every failed project we've seen.
1. Choosing the platform before the requirements
A platform gets picked because "everyone uses X"; later it turns out not to fit the business model. Clarify the questions first: how many products and variants, which integrations (accounting, shipping, marketplaces), do you need B2B pricing? The platform is chosen based on those answers — not the other way around.
2. Leaving the mobile experience for "later"
The majority of e-commerce traffic comes from mobile. A site that looks great on desktop but needs three screens of scrolling to reach "Add to Cart" on a phone is lost revenue. Design mobile-first.
3. Not taking page speed seriously
A slow product page hurts both conversion and Google rankings. Huge images, unnecessary plugins and cheap hosting are the three most common causes. Serve images in modern formats (WebP/AVIF) and get your homepage under 2–3 seconds.
4. Leaving shipping and returns until the end
One of the biggest causes of cart abandonment is a surprise shipping fee at checkout. Carrier agreements, the free-shipping threshold and the returns process should be settled before the site — the site then reflects that setup.
5. Copy-pasting product content
If you publish the supplier's description verbatim, you compete in the same cluster as dozens of sites using the same text. Original descriptions, real product photos and a sound category structure are the cheapest investment you can make in both SEO and conversion.
6. Forgetting trust signals
A first-time visitor to an unknown store looks for evidence: clear contact details, return terms, secure payment logos, genuine customer reviews. These aren't decoration — they are conversion infrastructure.
7. Managing stock and accounting by hand
Once orders grow, spreadsheet stock-keeping collapses: you sell items you don't have, and cancellations pile up. Accounting/ERP integration and marketplace stock sync should be part of the growth plan.
8. Depending on a single traffic source
A store that grows only through ads stops being profitable when ad costs rise. SEO, an email list and a repeat-purchase strategy should be planned alongside advertising from day one.
9. Operating without measurement
Which products actually make you money? What's your cart abandonment rate? You can't improve what you don't measure. Complete your analytics setup (including e-commerce events) before launch day.
10. Thinking the site is "done"
An e-commerce site doesn't end on launch day — it starts. Campaign seasons, new payment methods, speed and conversion improvements all demand continuity. Budget in two lines: "build" and "operate".
Conclusion
These mistakes share one root: treating the site as a technical product instead of a commercial operation. A well-architected e-commerce platform is designed to carry the weight of your sales operation from day one.
To talk through your e-commerce project, request a quote — we can also assess your current site against these 10 points.