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For cross-border sellers, Costco's mixed results present both risk and opportunity. The slowdown in comparable store sales (lowest since February 2026) suggests consumer spending caution in discretionary categories like jewelry, home furnishings, and major appliances—categories that drove mid- to high-single-digit gains despite overall deceleration. This indicates market saturation in mature warehouse club segments, requiring sellers to differentiate through premium positioning or niche categories. However, the 20.9% digital growth and Costco's expansion to 933 warehouses globally (641 in US/Puerto Rico, 115 in Canada, 43 in Mexico, plus operations in Japan, UK, Korea, Australia, Taiwan, China, Spain, France, Sweden, Iceland, and New Zealand) creates immediate O2O partnership opportunities. Costco's e-commerce operations in nine countries and average transaction value increase of 3.3% (excluding gas) demonstrate the company's commitment to omnichannel integration—a model cross-border sellers can replicate through pop-up showrooms in high-traffic warehouse locations and wholesale supplier relationships.
The operational implication is clear: sellers must shift from pure online strategies to hybrid models that leverage warehouse club logistics. Costco's comparable sales growth of 8.8% company-wide (10.6% US, 3.7% Canada) shows strongest momentum in Midwest, Southeast, and Northeast regions—geographic zones where pop-up retail and wholesale partnerships offer highest ROI. Sellers in non-food categories (jewelry, home furnishings, appliances) face 15-25% margin compression due to Costco's bulk-purchase model, but can offset this through volume scaling and reduced customer acquisition costs. The company's dividend declaration ($1.47/share, August 7 payout) signals management confidence in sustained performance, suggesting Costco will continue expanding digital infrastructure and warehouse locations—creating 6-12 month windows for sellers to establish supplier relationships before competitive saturation increases.