Tiendas 3B operates a grocery hard discount retail model in Mexico, built on delivering quality products at bargain prices through a streamlined assortment of approximately 850–900 SKUs compared to conventional supermarkets' 10,000+. The company generates revenue through branded products, proprietary private label brands (over 113 in-house brands developed with carefully selected manufacturers), and limited-quantity "spot" promotional items refreshed regularly. It serves low-to-middle income households and value-conscious shoppers across all income levels through thousands of compact stores concentrated in Mexico's central region, with customers typically shopping three to four times weekly within walking distance for one to two days' worth of groceries. The business operates at low gross margins while maintaining profitability through high product rotation generating favorable supplier terms, strong operational efficiency, decentralized regional management, and systematic expansion across Mexico.