In the hyper-competitive landscape of modern ecommerce, merchants often find themselves paralyzed by a false dichotomy: should they invest in building a standalone, branded destination via platforms like Shopify, or should they chase the high-volume, low-friction traffic of the Amazon marketplace?
For Sean Stone, founder of the agency Spillover Commerce, the answer is not an "either-or" proposition—it is a strategic necessity to do both. Stone, a seasoned Amazon consultant, advocates for a "one-two punch" growth model: cultivate a profitable, brand-forward Shopify domain as your primary anchor, and then capture the inevitable "spillover" demand on Amazon as a secondary channel.
Main Facts: The Spillover Strategy
The core philosophy of Spillover Commerce, which rebranded from "Stone’s Goods" in early 2024, is rooted in the reality of consumer behavior. While brands aspire to own the direct-to-consumer (DTC) relationship, they cannot ignore the insurmountable trust consumers place in Amazon’s logistics, return policies, and discovery engine.
Stone’s strategy posits that brands should avoid listing their entire catalog on Amazon. Instead, Amazon should act as a specialized outlet where consumers can find a "version" of a product or a specific entry-point item. This prevents brand dilution while ensuring that the company remains visible to the massive segment of the population that refuses to shop outside of the Amazon ecosystem.
Chronology: From Amazon Specialist to Holistic Strategist
Sean Stone’s journey into the intricacies of platform-based growth began in 2017. Working initially as an agency employee, he cut his teeth managing high-stakes advertising campaigns within the Amazon ecosystem.
- 2017–2020: Stone refined his expertise in Amazon’s proprietary advertising algorithms, learning the mechanics of product discovery and organic ranking.
- 2021: He launched his own firm, Stone’s Goods, focusing exclusively on Amazon-centric growth.
- 2023–2024: Observing the limitations of Amazon-only businesses—specifically the lack of customer data ownership and the "race to the bottom" pricing pressure—Stone pivoted.
- January 2024: The firm rebranded to Spillover Commerce, signaling a shift toward a multi-platform, brand-first advisory model that bridges the gap between the rigid, data-heavy world of Amazon and the creative, brand-led world of Shopify and Meta advertising.
Supporting Data and Market Analysis
The friction between Amazon-first sellers and DTC brands is well-documented. Amazon sellers are frequently characterized as "spreadsheet-savvy" operators who prioritize data, margins, and ranking metrics over brand equity. Conversely, DTC brands on Shopify prioritize aesthetics, storytelling, and long-term customer lifetime value (LTV).
Stone argues that the most successful companies are those that master the distinct skill sets required for both environments. He points to the case of Gymreapers as a masterclass in this synergy.
The Gymreapers Case Study
Gymreapers sells high-quality weightlifting gear. While their core DTC site focuses on high-ticket, comprehensive powerlifting bundles (belts, knee sleeves, and elbow straps), they maintain a presence on Amazon.
- External Drivers: The company uses aggressive Meta (Facebook/Instagram) advertising and influencer partnerships to drive traffic to their primary Shopify site.
- The "Spillover" Effect: A segment of the market, specifically those looking for simple wrist straps, searches for "Gymreapers" on Amazon.
- The Result: Because of their strong brand presence established off-site, Gymreapers can sell the same commodity wrist strap for a 50% premium compared to anonymous, low-cost Chinese competitors. They are not competing on price; they are competing on brand recognition, capturing search volume that they have already paid to generate elsewhere.
Official Responses and Strategic Guidance
In a recent conversation with Eric Bandholz, Stone addressed the common concerns surrounding this hybrid approach, particularly the fear that Amazon "trashes" a brand’s identity.
Bridging the Skill Gap
Stone acknowledges that the tactics that win on Amazon are diametrically opposed to those that win on Meta or Shopify. "What wins on Amazon is the opposite of what wins on Shopify," Stone noted. "But many merchants excel at both. That’s the one-two punch that can dominate, not being trapped by one platform over another."
The "Product-Market Fit" Framework
For Amazon-native sellers looking to break into the DTC space, Stone recommends a three-pronged validation process:
- Amazon Product-Market Fit: Confirm that the product has a proven track record of sales and positive reviews on the marketplace.
- Meta Market Fit: Identify if the product is visually compelling enough for social commerce. "Don’t advertise a mop on Meta," Stone advises. "But do advertise a cool robot vacuum cleaner."
- Platform-Specific Offers: Never sell the exact same bundle in both places. Use Amazon for high-conversion, single-item transactions, and use the Shopify site for exclusive bundles and premium experiences that incentivize the customer to own the relationship.
Implications for the Future of Ecommerce
The "spillover" model carries profound implications for the future of online retail. As acquisition costs on Meta and Google continue to rise, the ability to harvest traffic from search-heavy environments like Amazon becomes a competitive advantage.
Avoiding the "Amazon Trap"
Many merchants make the mistake of attempting to replicate their full DTC product catalog on Amazon. Stone cautions against this, noting that bundling rarely works on Amazon because it confuses the organic ranking algorithms. On Amazon, high conversion rates on specific, focused pages are the primary engine of growth. By keeping the offering simple on Amazon, brands maintain their organic rank, which in turn acts as a billboard for their brand.
Data Ownership and Creative Engagement
For those who fear the lack of data provided by Amazon, Stone suggests a creative workaround. By maintaining a functional Shopify site—even if it is not the primary sales driver—merchants can engage with the small percentage of "brand-aware" customers who seek them out directly. Engaging these users to provide feedback, suggest new products, and express preferences allows the brand to gather the qualitative data that Amazon’s "black box" environment obscures.
Conclusion: A Balanced Ecosystem
The era of the "single-channel merchant" is drawing to a close. As consumers become increasingly fragmented in their shopping habits—flipping between the convenience of Amazon and the curated experience of specialized DTC sites—brands must adapt.
Sean Stone’s "one-two punch" offers a roadmap for this transition. By treating the Amazon marketplace as an essential, high-trust secondary channel while focusing the brand’s creative energy and data-gathering efforts on a proprietary Shopify domain, merchants can effectively de-risk their business. The strategy is clear: let Amazon handle the fulfillment of demand, and use the spillover of that demand to build a brand that lives beyond the marketplace.
For those interested in optimizing their multi-platform growth, Sean Stone can be reached through his agency, Spillover Commerce, or via his professional presence on LinkedIn.
