This case details cement, ready-mix, and concrete giant CEMEX's consideration of a set of strategies designed to grow the Mexican market from the bottom of the economic pyramid: the low-income do-it-yourself homebuilders that characterized an untapped market there. Alfredo de Armas, VP of business development at CEMEX, must consider the needs and limitations of customers with no access to credit and a budget that might allow a purchase of just one bag of cement per week. What would it take to reach that market? Would doing so be profitable?