Selling on Multiple Marketplaces: Expanding Beyond Amazon

The Case for Diversification

Relying on a single marketplace for all your revenue is risky. Account suspensions, policy changes, or fee increases can devastate your business overnight. Selling across multiple platforms reduces this dependency and often increases total sales.

Major Marketplaces to Consider

Amazon (Global)

The largest e-commerce marketplace globally, with separate platforms for the US, UK, Germany, Japan, and many other countries. High traffic but high competition and fees.

eBay

Still one of the largest platforms worldwide. Particularly strong for certain categories like electronics, auto parts, and collectibles. Lower fees than Amazon in many categories.

Walmart Marketplace (US)

Growing rapidly with lower competition than Amazon. Walmart's online marketplace is invitation-based in some categories but expanding access. No monthly subscription fees.

Etsy

Ideal for handmade, vintage, and unique products. Strong community and loyal customer base. Lower competition in niche categories.

Shopify / Direct-to-Consumer

Not a marketplace but a platform for your own online store. Higher margins (no marketplace fees) but you're responsible for driving traffic. Best used alongside marketplace channels.

Regional Platforms

• Mercado Libre — dominant in Latin America
• Allegro — Poland's largest marketplace
• Bol.com — leading in the Netherlands and Belgium
• Rakuten — significant presence in Japan
• Cdiscount — major French marketplace

Practical Considerations

Inventory Management

Selling across platforms means tracking inventory in multiple places. Overselling (selling something you don't have) damages your reputation on any platform.

Solutions:

• Use inventory management software that syncs across channels
• Allocate dedicated stock per channel with buffer limits
• Start with one additional channel before expanding further

Pricing Strategy

Each marketplace has different fee structures, so your profit margins vary by channel. You may need to adjust pricing:

• Calculate landed cost + channel-specific fees for each platform
• Some platforms prohibit pricing your products lower elsewhere
• Consider the total cost including advertising on each platform

Fulfilment

Options include:

• FBA Multi-Channel Fulfilment — Amazon ships orders from other platforms using your FBA inventory
• Third-party logistics (3PL) — a fulfilment warehouse handles all channels
• Self-fulfilment — you handle storage and shipping yourself

Listing Optimisation

Each marketplace has its own algorithm and best practices for product listings. A listing that works well on Amazon may need significant changes for eBay or Walmart.

A Phased Approach

1. Month 1–3: Master your primary platform (usually Amazon)
2. Month 4–6: Add one additional marketplace; learn its specific requirements
3. Month 7–12: Optimise the second channel; consider adding a third or launching your own store
4. Ongoing: Evaluate performance per channel and reallocate resources to the most profitable ones

Key Metrics to Track Per Channel

• Revenue per channel
• Net profit margin per channel (after all fees)
• Return rate per channel
• Customer acquisition cost (for DTC)
• Time invested per channel

The goal isn't to be on every platform — it's to find 2–3 channels that collectively give you strong, diversified revenue with acceptable margins.