Costco is playing a different game than most retailers.Costco (COST -0.10%) has been one of the best retail investments over the last three decades because it operates differently from most retailers. The membership model has different incentives that reinforce the company's advantages, which Travis Hoium covers in this video.*Stock prices used were end-of-day prices of Sept. 22, 2025. The video was published on Oct. 2, 2025. ...