This is the latest installment of the Big-Box Briefing, a weekly Modern Retail+ column exploring the strategic maneuvers of the world’s most influential retailers.
For years, the digital retail landscape was defined by a singular, looming monolith: Amazon. For most brands, launching a third-party marketplace strategy was synonymous with "launching on Amazon." However, the retail ecosystem has undergone a seismic shift. Brick-and-mortar giants—from Walmart and Target to specialized retailers like Sephora and Best Buy—are aggressively scaling their own digital marketplaces.
While this expansion offers brands an unprecedented number of paths to reach new customers, it has simultaneously introduced a dizzying layer of operational complexity. Success in this fragmented environment is no longer just about having a great product; it is about mastering the logistics, data synchronization, and promotional strategies required to thrive across a disparate array of digital storefronts.
The Shift Toward Retail Fragmentation
The days of relying solely on the "Amazon-first" playbook are rapidly coming to a close. Data from Marketplace Pulse highlights the aggressive growth of competitors looking to carve out their own slices of the digital pie. Walmart’s third-party marketplace, for instance, reported nearly 50% year-over-year growth for the quarter ending April 30, marking its fastest expansion in years.
Simultaneously, Target is doubling down on its "Target Plus" initiative. With a stated goal of driving more than $5 billion in marketplace sales by 2030, Target is actively recruiting brands to populate its curated digital shelves. This trend extends beyond general retail; specialized entities like Best Buy, Sephora, and Ulta have recently begun testing the waters with TikTok Shop, attempting to capture the impulse-buying power of the social commerce revolution.
Chronology of the Marketplace Evolution
The evolution of the third-party marketplace can be broken down into three distinct phases:
- The Amazon Dominance Era (2010–2019): Brands viewed Amazon as the primary, and often sole, digital sales channel. Operational focus was centered entirely on SEO, Amazon Advertising, and the nuances of FBA (Fulfillment by Amazon).
- The Diversification Pivot (2020–2023): Triggered by pandemic-era supply chain instability and rising advertising costs on Amazon, brands began experimenting with alternative channels like Walmart, Target, and Nordstrom.
- The Operational Complexity Era (2024–Present): With marketplaces now multiplying, brands are moving away from manual management toward "omnichannel orchestration." The challenge has shifted from how to sell on a marketplace to how to manage inventory and logistics across five or more distinct channels simultaneously.
Supporting Data: The Logistics of Scale
The primary friction point for brands today is not sales velocity, but the back-end logistics required to sustain it. Elizabeth Marsten, VP of Innovation and Growth for Commerce Media at Tinuiti, identifies the "hidden" costs of multi-channel selling as the greatest threat to brand margins.
"The business of returns is a massive cost that we don’t talk enough about," Marsten notes. When a brand expands to a new marketplace, it inherits that platform’s specific Service Level Agreements (SLAs). If a retailer demands two-day shipping, a brand with a single warehouse on the West Coast faces an impossible logistical hurdle. To meet these demands, brands are often forced to engage with third-party logistics (3PL) providers, which can quickly erode the profitability of a channel if not managed with surgical precision.
Strategic Operational Models: "Duct Tape" and "Goldilocks"
For brands like Haus of Brilliance and Gorilla Commerce, the key to survival is not just technology, but operational agility.
Monil Kothari, founder of the jewelry brand Haus of Brilliance, describes his company’s operational foundation as a mix of "off-the-shelf" ERP solutions and bespoke API connections. "We might have 10 units of a piece on Black Friday—nine might sell. If your inventory doesn’t update and reflect that it’s now one, it shows another 10 available," Kothari explains. "Our systems move very fast." By building in-house API bridges to connect their EDI channels, Haus of Brilliance has managed to diversify away from an Amazon-heavy model; while Amazon still accounts for 15–20% of their business, they now maintain a significant presence on Nordstrom and Target.
CJ Bilangino, CEO of Gorilla Commerce, approaches the problem through a "Goldilocks" inventory philosophy. "If you have too much product in Amazon or Walmart’s fulfillment centers, you risk excess storage fees," he notes. "If you have too little, you run out during key moments."
Gorilla Commerce solves this by staging inventory in a network of 3PLs near major distribution hubs. This allows them to react to real-time spikes in demand, pushing inventory into the retail giants’ systems only when it is needed. This level of operational sophistication is what allows them to maintain a presence in over 2,600 physical Walmart stores while simultaneously managing their digital footprint.
Implications for Promotional Strategies
The diversity of marketplaces also forces brands to adopt a granular approach to their promotional calendars. The "one size fits all" discount strategy of the past is no longer viable.
For Haus of Brilliance, the fourth quarter represents nearly 50% of their annual business. This requires a complex dance of tailoring promotions to the specific requirements of each partner:
- Amazon: Focuses on "Lightning Deals," where only the top 20 items in a catalog receive maximum visibility.
- Nordstrom: Employs a more collaborative approach, where the retailer reaches out to brands to opt-in for specific holiday coverage based on pre-defined discount thresholds.
- Target: Operates with a price-point ceiling, requiring the brand to pivot its focus toward lower-priced items that fit within the store’s specific customer demographic.
Conversely, brands selling household essentials—like Gorilla Commerce’s bath mats or dog bowls—face a different reality. These companies see consistent, year-round sales and often avoid deep discounting, relying on the "halo effect" of Black Friday traffic rather than direct, margin-eroding price cuts.
The Future: Toward a "Good Partner" Philosophy
Despite the technological hurdles and the "duct tape" systems that hold many operations together, the consensus among industry leaders is clear: the future of retail is collaborative.
Monil Kothari emphasizes that success ultimately comes down to being a "good partner." This means understanding that each marketplace has its own personality, its own constraints, and its own audience. A brand that tries to force a one-size-fits-all strategy onto every platform will inevitably struggle with either inventory stock-outs or stagnant sales.
As we move toward the end of the year, the brands that win will be those that have successfully balanced their operational "foundation" with a flexible, channel-specific promotional strategy. Whether it is managing the shipping speed requirements of a new marketplace or curating an assortment that fits the specific price-point expectations of a retailer like Target, the burden of excellence now rests on the brand’s ability to treat every channel as a unique business unit.
The fragmentation of the marketplace is, paradoxically, a gift to the consumer. For the brand owner, however, it is a call to professionalize, to invest in data integrity, and to accept that in the modern retail world, the most successful brands are those that can manage the chaos of logistics with the finesse of a high-end concierge.
Correction: This story has been updated to note that Haus of Brilliance does not sell through Costco; an earlier version of the article incorrectly stated that the company did.
