As one of its daily deals, Best Buy via eBay offers the Shark Navigator Bagless Upright Vacuum in Silver, model no. NV22S, for $99.99 with free shipping. That's the lowest total price we could find by $50. It features a motorized brush roll, 12" cleaning path, HEPA filter, dusting brush, pet turbo brush, and a 25-foot cord. Deal ends today.