Expanding into the US e-commerce market can be a game-changer for your business. With one of the world’s largest online shopping populations, the US offers unmatched potential for international sellers and local entrepreneurs alike. But with so many e-commerce platforms available, choosing the wrong one can lead to costly mistakes — from poor visibility to unsold inventory and weak margins.
Many sellers rush into the US market without fully understanding the strengths and limitations of each platform. The result? Wasted marketing spend, fulfillment problems, and an underwhelming entry into one of the most competitive digital markets on Earth.
This guide will help you avoid the most common mistakes and choose the right US e-commerce platform for your product type, business model, and long-term goals.
Each e-commerce platform in the US has its own structure, audience, fees, rules, and competitive landscape. For example, what works well for fashion brands on Instagram Shops might not suit B2B electronics on eBay or Newegg.
Selecting the wrong platform can lead to:
High costs with low return
Low discoverability among your target audience
Customer service issues due to platform limitations
Stock management headaches and returns problems
Long-term branding limitations
Avoiding these traps starts with understanding your own business, your product’s appeal, and how each platform serves sellers like you.
Many sellers jump onto platforms like Amazon or Walmart simply because they’re big. But size isn’t everything. You need to assess how well your product aligns with the platform’s shopper behavior, pricing norms, and search intent.
Fix:
Match your product category to where customers are actively shopping for that type. For example:
Handmade goods or vintage items → Etsy
High-volume household items → Amazon or Walmart
Tech products or gaming gear → Newegg or eBay
DTC brands building a unique identity → Shopify or BigCommerce
Trendy apparel or cosmetics → Instagram Shops or Facebook Marketplace
Some platforms may seem low-cost on the surface but come with backend fees that eat into your margins. From referral fees to advertising requirements, fulfillment charges, and return deductions — the costs can add up fast.
Fix:
Calculate your expected profit margin on each platform, factoring in:
Listing fees
Selling commissions
Payment processing
Advertising spend
Fulfillment and return costs
Example:
On Amazon, total fees (including FBA and ad costs) can consume up to 35–45% of your revenue. In contrast, Shopify offers more margin control but requires more marketing effort.
US buyers expect fast, reliable shipping — often within 2 to 3 business days. If you’re selling cross-border without US-based fulfillment, long shipping times can lead to bad reviews and low conversion rates.
Fix:
Choose a platform that supports fast delivery and integrate with local fulfillment providers. Options include:
FBA (Fulfillment by Amazon) for Amazon sellers
Walmart Fulfillment Services (WFS) for Walmart Marketplace
3PL partners (like ShipBob, Deliverr) for Shopify and BigCommerce
Etsy Global Delivery for artisan sellers
Platforms that reward fast shipping — like Amazon and Walmart — will also boost your product visibility if you meet delivery standards.
Some sellers launch on platforms like Amazon, only to realize they have little control over branding, customer interaction, or retargeting. These platforms focus more on products than on your brand story.
Fix:
If long-term branding matters to you, start with:
Shopify or BigCommerce: Total control over look, feel, and data
Meta Shops: Great for visual branding and community building
Etsy: Niche visibility with space for a personal seller identity
For sellers who prioritize scale over branding, platforms like Amazon and Walmart are better fits — but your brand will take a back seat.
On large platforms like Amazon or eBay, competition is fierce in popular categories. Your product may get buried unless it has a unique hook, strong reviews, or aggressive pricing.
Fix:
Conduct a search using your product keywords
Analyze top sellers and their pricing, ratings, and ad strategies
Look for under-served niches on smaller platforms (like Etsy, Newegg)
Use tools like Jungle Scout or Helium 10 for Amazon analysis
If your product has tough competition on major marketplaces, consider launching on niche platforms first or building a brand through Shopify before expanding.
Localization isn’t just about language. US shoppers have specific preferences regarding returns, payment methods, product descriptions, and trust signals.
Fix:
Accept USD and display prices clearly in dollars
Offer returns and clear delivery estimates
Use US English and avoid foreign sizing or terminology
Display product certifications, guarantees, and social proof
Platforms like Amazon and Walmart enforce these standards. On Shopify or Etsy, it’s your responsibility to localize and build trust.
While marketplaces like Amazon bring built-in traffic, platforms like Shopify or BigCommerce require sellers to generate their own audience.
Fix:
If you choose a platform without built-in traffic, be ready to:
Run Meta and Google Ads
Build SEO-friendly product pages
Collaborate with influencers
Create email marketing sequences
Launch social content and referral programs
If you don’t have the time or resources to do this, a marketplace platform with ready buyers might be a better first step.