The mechanism: Section 301 tariffs on Chinese goods remain the live wire in U.S. retail margins. Rates on non-exempt Chinese imports have swung between roughly 30% and higher "reciprocal" levels this year under the ongoing U.S.-China trade arrangement, with USTR extending some exclusions to November 2026 while leaving broad categories — housewares, toys, seasonal decor, textiles — fully exposed. Every retailer that sources cheap, private-label goods from China eats these costs somewhere: supplier concessions, price hikes, or margin. But "dollar stores get hurt by tariffs" is a lazy headline. The real split is in the mix, and it cuts against Dollar General far more than Walmart.
Who cashes in:
- Costco (COST) — membership-fee income (over 100% of operating profit in some quarters) lets it treat merchandise as a loss-leader and absorb tariff cost without touching the membership economics. Its bulk-and-private-label (Kirkland) model also gives it scale-buying leverage smaller chains can't match.
- Walmart (WMT) — grocery, consumables, and health/wellness dominate its U.S. sales mix. Food is largely tariff-insulated (domestically sourced or duty-exempt), and Walmart's sheer purchasing scale lets it squeeze suppliers and diversify sourcing out of China faster than smaller rivals. Management has said tariff cost pass-through has been smaller than feared.
- Amazon (AMZN) — third-party marketplace sellers, not Amazon itself, absorb most of the direct tariff hit on low-end imported goods; AMZN's own P&L exposure is diluted across AWS, ads, and Prime, giving it room to gain share as smaller import-heavy retailers raise prices.