The website that is generally cheaper for buying furniture in the United States is Wayfair. According to a study by DealNews, Wayfair offers an average of 15% off on furniture compared to other major online retailers like Amazon and Walmart. This is due to Wayfair's extensive inventory and direct-to-consumer model, which allows them to offer competitive pricing without the overhead costs associated with traditional brick-and-mortar stores. Additionally, Wayfair often provides free shipping on orders over a certain amount, further reducing the overall cost for customers.