Buying a smart TV at Costco is widely considered one of the best ways to secure long-term value, primarily due to industry-leading warranty extensions and a generous return window . In 2026, Costco remains a top choice for shoppers seeking large-screen models (55 inches and up) from major brands like , LG , Sony , Hisense , and TCL . While Costco may have a more curated selection than specialized electronics retailers, the bundled perks—such as free technical support and extra protection plans—often outweigh a slightly lower sticker price elsewhere .