Shareholder value is created by managing the gap between cost, price, and perceived value. Walmart wins by relentlessly pushing down costs to lower prices and increase value. Luxury brands like Tiffany win by pushing up perceived value through branding and scarcity, allowing them to raise prices.

Instead of stocking every product variation, Sol Price's "intelligent loss of sales" system offered only the best-value item (e.g., one size of oil). This deliberately lost some customers but radically simplified inventory, labor, and checkout, creating an unbeatable cost advantage.

Walton institutionalized flexibility, coining the term 'RC factor' (Resistance to Change). He believed a low RC was crucial for adapting to new information and market shifts, even if it meant a 180-degree pivot. This mindset was a core part of Walmart's operational agility.

Walton didn't prioritize originality. He considered it a core competency to relentlessly study competitors like JCPenney and Kmart, identify their best ideas, and copy them. He believed the best retail concepts were already in the market, waiting to be synthesized and improved upon.

Walton's career demonstrates a 'slow then fast' growth model. He spent over five years mastering retail in a single store. This deep, initial learning phase enabled him to later launch the Sam's Club concept to 105 stores and $5 billion in sales in just seven years.

Following lessons from Sam Walton and military history, PriceSmart prioritizes owning real estate and distribution centers. This control over its supply chain is a critical moat that ensures stability, manages costs, and provides a decisive advantage in unpredictable environments.

Before starting Walmart, Sam Walton pitched the discount store concept to the Ben Franklin franchise. They rejected his idea to cut their wholesale margins, viewing him as 'the tail wagging the dog.' Their lack of vision forced Walton to build the multi-billion dollar empire himself.

Walmart founder Sam Walton built his empire not on original ideas but by systematically copying every good tactic he saw in competitors' stores. This 'cloning' strategy is underrated and incredibly effective because most people are too proud or lazy to implement it, creating a durable competitive advantage.

To fund crucial investments in wages, prices, and e-commerce, Walmart's leadership, with board support, intentionally reduced its operating income from over 6% to just over 4%. This shareholder-funded investment was a deliberate, multi-year strategy to future-proof the business.