Sam’s Club membership is significantly cheaper than Costco ($45 per year vs $100). Worldwide, Costco has slightly larger stores and more store locations. But Sam’s Club has more locations across the United States.
Their product offerings and prices are very similar.Overall Sam’s Club is cheaper per unit of product but it’s sold in larger bulk so you’re buying more of it. Costco offers its popular, in-house generic label Kirkland. Sam’s Club offers much more brand-name goods.
Sam’s Club special perks include their tire and battery centers and generous discounts for special services. Sam’s Club members save 20% off eyeglasses at their optical centers and up to30% off prescription drugs in their pharmacies.