Buy.com, a leading e-commerce marketplace, has expanded into the home improvement arena through a partnership with CPO Commerce, a leading supplier of new and reconditioned tools and other home channel products. Customers can now shop for more than 6,000 hammers, drills, saws and other tools, all with free shipping, through Buy.com's CPO Outlets store online section. Products also include floor care, ceiling fans, saws, generators, lawn care products, pressure washers and compressors.