The Gap Between Sellers Is Getting Wider

March is where direction becomes strategy.

After Prosper, one theme stood out across top sellers:
the gap between brands that scale and brands that stall is getting wider—and it’s happening fast.

This month’s Fund Your Knowledge focuses on what’s actually driving that gap.

The Market Is Consolidating

New data shows how concentrated Amazon has become.

Read: Top 10 E-Commerce Marketplaces in 2026 (Marketplace Pulse)

Amazon alone is driving an estimated $300B in third-party sales, while competitors like TikTok Shop,

Temu, and Walmart are still far behind.

The takeaway:

This is no longer a volume game—it’s an execution game.

The brands winning in 2026 aren’t experimenting more.

They’re operating better.

1 · AI Is Reshaping Discovery

Amazon’s AI-powered shopping experience is changing how products are surfaced and recommended.

Read: The technology behind Amazon’s GenAI-powered shopping assistant, Rufus

2 · Seller Competition Is Tightening

Fewer new sellers are entering, but competition per listing is increasing—raising the bar for conversion and inventory depth.

Read: Top 1.6% of Sellers Drive 50% of Amazon’s 3P GMV

3 · Margin Pressure Is Increasing

Rising fees and operational costs are forcing sellers to rethink profitability and contribution margins.

Read: Amazon Fees and Seller Profitability (EcommerceBytes)

4 · External Channels Are Growing Fast

TikTok Shop and other channels continue to gain traction, pushing brands to diversify traffic sources.

Read: TikTok Shop Growth and Marketplace Competition (Marketplace Pulse)

Euka AI — Turn TikTok Into a Revenue Channel

Traffic is shifting—and sellers who figure out creator-led growth early are gaining an edge.

Euka AI helps brands turn TikTok affiliates into a scalable revenue engine by:

✅ discovering and scaling high-performing creators

✅ automating outreach and follow-ups

✅ tracking performance across TikTok and beyond with AI Copilot

✅ running always-on creator programs (contests, challenges, livestreams)

For Amazon and Shopify brands, this also unlocks the Amazon Halo Effect—driving external demand that lifts rankings and conversion.

Exclusive offer for CapEc subscribers:

Get 30% off the Growth Plan for your first 3 months

Use code: CAPEC

👉 Visit their website and apply

This is what we’re seeing across March:

The brands pulling ahead into Q2 are removing constraints early.

They’re:

✅ increasing order size on proven SKUs

✅ placing POs earlier than last year

✅ protecting in-stock rates while scaling traffic

CapEc funds up to 70% of supplier invoices directly to factories so you can:

✅ secure inventory before demand spikes

✅ stay in stock while competitors fall behind

✅ scale what’s already working—without slowing cash flow

Connect your store and check eligibility → https://app.capec.io/sign-up

2026 is already shaping up to be a big year for ecommerce events, including:

🔗 Shoptalk Spring (Las Vegas) — March 24–26

🔗 Pulse eCommerce Summit (London) — May 13–14

🔗 Shoptalk Europe (Barcelona) — June 9–1

🔗 Amazon Accelerate (Seattle) — September 22–24

🔗 Groceryshop (Las Vegas) — September 22–24

🔗 White Label World Expo (Las Vegas) — September 23–24

🔗 Shoptalk Fall (Nashville) — September 29–October 1

🔗 White & Private Label Expo (New York) — September 30–October 1

If you’re attending any of the above and want to connect, reach out ahead of time.

👉 Book a Call