Walk through a Costco warehouse in spring 2026 and the home and outdoor living section is impossible to miss — not because it is loud or garish, but because it has become genuinely, surprisingly beautiful. The furniture selection that once meant "whatever bulky brown leather sofa happened to be in the aisle" has evolved into something meaningfully different: modular sectionals from established brands like Thomasville priced at $1,500 to $1,800 that rival cloud couches from hi