: A leading online alternative that often beats "big box" store pricing for those redoing an entire home. Users reported redoing over 15 doors for approximately $500 .

: Extremely competitive for "house flip grade" hardware and standard brands like Defiant and Kwikset . Defiant is specifically recommended for high-volume, budget-driven projects like rentals.

When searching for the cheapest place to buy door knobs, the best options range from major online marketplaces for high-volume discounts to salvage yards for unique, low-cost finds. For standard modern hardware, retailers often leverage bulk purchasing power to offer the most competitive prices. Top Retailers for Budget Door Knobs