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This week’s Selling on Giants breaks down the real shifts happening across Amazon, Walmart, retail media, and AI-driven commerce. This is not a surface-level recap. This is an operator’s view of what actually changes when you are responsible for the P and L.

The pressure is building across multiple fronts at the same time, and the brands that adapt fastest will hold their position.

Top stories this week:

• Amazon linked account enforcement tightens
  Amazon is now treating seller accounts as a single entity. One violation can take down multiple accounts, and recovery depends on resolving the root account first. This is a structural risk, not an isolated issue.
• DD+7 reserve policy creates cash flow pressure
  Sellers are now waiting longer to access funds, creating real constraints on inventory, ad spend, and daily operations. This is not just a policy change, it is a financial shift.
• Retention marketing faces new regulation
  Pennsylvania’s proposed bill introduces stricter rules around email and SMS marketing. More consent, less flexibility, and reduced ability to re-engage customers.
• Ulta expands store fulfillment capabilities
  Speed is becoming the baseline. Inventory positioning now directly impacts visibility and conversion, not just delivery time.

Platform and discovery shifts:

• AI reshapes product discovery (Sephora + Gen AI search)
  Discovery is moving from keyword search to guided interaction and AI-generated answers. Visibility now depends on structured, clear, and complete product data.
• Meta and TikTok push AI and creator-led commerce
  Discovery is shifting from intent-based search to algorithm-driven exposure. Creators and AI are becoming primary drivers of product visibility.
• Walmart expands into connected TV commerce
  Product discovery is moving into content environments, reducing reliance on traditional ecommerce entry points.

Operational and marketplace signals:

• Etsy reinforces listing quality as a ranking factor
  Complete, accurate, and structured listings are now required for visibility. Keywords alone are no longer enough.
• NRF highlights growing regulatory pressure
  Labor, supply chain, data, and compliance are all tightening at the same time, increasing operational complexity.
• Brands experiment with alternative acquisition channels
  Rising costs are pushing brands to test lower-cost tactics like offline marketing to maintain efficiency.

The bigger picture:

• Compliance is tightening
• Cash flow is getting tighter
• Discovery is shifting toward AI and content
• Platforms are consolidating control
• Customer acquisition is getting more expensive

The edge is not in hacks. It is in execution. Clean data. Clear systems. Fast decisions.

If you are an eCommerce brand operating on Amazon, Walmart, or beyond, this episode gives you a clear operator lens on what matters right now and how to respond with confidence.

Follow the show for weekly breakdowns of what is actually changing in eCommerce, and how serious operators are adapting in real time.

Subscribe to Selling on Giants for weekly operator-level insights built for serious marketplace brands navigating complexity with discipline.

Send us Fan Mail

This week’s Selling on Giants breaks down the biggest shifts impacting Amazon, Walmart, and the broader eCommerce landscape, with a focus on compliance risk, customer behavior, and tightening margins.

These are not surface-level updates. This is how operators are responding in real time.

Top stories this week:

• “Made in USA” enforcement is tightening
  A new executive order increases scrutiny on product claims. If your listings are not fully compliant, you are exposed to suppression, penalties, and account risk.
• Amazon buyer abuse and feedback threats
  Customers are leveraging negative feedback to push refunds and concessions. Learn how to protect your rating without sacrificing margin.
• NRF forecasts 4.4% retail growth
  Demand is steady, but competition is tightening. Growth comes from execution, not market lift.
• Walmart UPC and GTIN exemption friction
  More visibility into denials, but the process remains inconsistent. Listing velocity now depends on structured, precise submissions.

Additional insights covered:

• Shipping pressure from USPS losses
  Rising costs and service variability are forcing brands to rethink carrier strategy.
• Amazon returns and recovery data expansion
  New visibility into return reasons and costs creates opportunities to improve contribution margin.
• Target’s $915M retail media growth
  Paid visibility is becoming a baseline requirement across retail platforms.
• Sam’s Club and the participation era
  Membership, retention, and customer ownership are becoming central to growth.
• Shift away from third-party tools
  Amazon continues to pull sellers into its native ecosystem, changing how brands operate.

The bigger picture:

• Compliance is tightening
• Customer behavior is more aggressive
• Growth is steady, not explosive
• Margins are under pressure
• Platforms are taking more control

The edge is not in hacks. It is in execution. Clean data. Clear systems. Fast decisions.

If you are an eCommerce brand operating on Amazon, Walmart, or beyond, this episode gives you a clear operator lens on what matters right now and how to respond.

Like, follow, and subscribe to stay ahead of what is actually changing in eCommerce.

Subscribe to Selling on Giants for weekly operator-level insights built for serious marketplace brands navigating complexity with discipline.

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Consumers everywhere are noticing something strange.

Your favorite snack looks the same.
The price looks the same.
But somehow… the product inside feels smaller.

Welcome to the era of shrinkflation.

In this episode of Selling on Giants, we break down why products across grocery stores and marketplaces are quietly getting smaller — and why inflation is only part of the story.

The bigger shift is happening behind the scenes.

Modern retail economics — especially the rise of Amazon, eCommerce logistics, and marketplace fulfillment costs — are creating powerful incentives for brands to design smaller, lighter, and more efficient products.

What looks like shrinkflation on the shelf may actually be margin engineering driven by logistics, packaging optimization, and marketplace economics.

This episode connects the dots between consumer trends, global retail strategy, and the operational realities brands face when selling across Amazon, Walmart, Target, and other modern commerce platforms.

Along the way, we look at some real-world examples making headlines right now — from shrinking chocolate bars to evolving product packaging strategies.

Because once you understand the economics behind it, shrinkflation stops looking like a mystery… and starts looking like a system.

In this episode we cover:

• The rise of shrinkflation and why brands reduce product size instead of raising prices
• Why consumers notice price increases more than quantity changes
• The Reese’s example and how iconic products make shrinkflation visible
• Cadbury and the global chocolate shrink trend happening across Europe
• How Amazon fulfillment fees and shipping costs influence product design
• Why smaller packaging improves logistics efficiency in eCommerce
• The growing policy debate around shrinkflation transparency

Key takeaway

Products are getting smaller not only because of inflation, but because modern retail and marketplace economics reward smaller, more efficient product designs.

As eCommerce continues to reshape global retail, packaging, product sizing, and fulfillment efficiency will play an increasingly important role in how brands manage margins.

Shrinkflation may not be a temporary trend.

It may be the future of retail product design.

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Selling on Giants

Real insights on Amazon, marketplaces, and the changing economics of modern retail.

Subscribe to Selling on Giants for weekly operator-level insights built for serious marketplace brands navigating complexity with discipline.