Sellers are frustrated with platform fees yet deepen their dependence on Amazon because alternatives don't offer comparable scale. Amazon extracts more revenue from sellers while becoming more vulnerable to a concentrated base that could, in theory, coordinate or exit.
Read more
We surveyed 181 marketplace sellers representing over $2 billion in combined annual revenue to understand how businesses are actually performing beneath the platform-level data. The results reveal four distinct seller cohorts.
Read more
Amazon remains the dominant U.S. marketplace, with an estimated $300 billion in third-party sales, more than seven times eBay's and roughly 20 times that of the next competitors – Temu, TikTok Shop, and Walmart – who now compete in a tight $15-22 billion range.
Read more
Amazon Haul, Amazon's direct-from-China section for items under $20, has reached over 3,000 sellers since launching in November 2024, establishing itself as a credible competitor to Temu and Shein, though still smaller in scale.
Read more
Walmart's advertising business grew more than twice as fast as Amazon's last year. Amazon generated $68.6 billion in advertising revenue in 2025, growing 22%. Walmart generated $6.4 billion, growing 46%.
Read more
Amazon and Shopify together now account for approximately 50% of U.S. e-commerce. Two models each reached maturity at roughly the same time. U.S. e-commerce has quietly organized itself around both, and the space between them is where every other player is now making its case.
Read more
Fewer than 8,000 sellers now generate half of Amazon's estimated $300 billion in U.S. third-party GMV – roughly 68% of total U.S. sales – representing just 1.6% of the active seller base.
Read more
Amazon and its sellers sold $830 billion worth of goods in 2025, tripling its GMV from $277 billion seven years ago.
Read more
U.S. e-commerce crossed $10 trillion in cumulative sales during Q3 2025, reaching a milestone that reveals something far more significant than the raw figure suggests -- three remarkably consistent growth phases.
Read more
Shopify merchants will pay OpenAI a 4% transaction fee on sales through ChatGPT's checkout feature beginning January 26. At 11 percentage points below Amazon's typical 15% referral fee and without forced advertising spend, the platform offers the potential for organic product discovery at scale.
Read more