Lowest price we've ever seen! This Shark Rotator Professional Lift-Away 3-in-1 Bagless Vacuum (NV501) drops from $299.99 to $179.99 at Amazon for a limited time. Plus, shipping is free. This is the lowest price we've ever seen by $7, and most sites are selling it for $210-$260 right now. Many of its 2,000 reviewers say it's the best vacuum they've ever used. It features a lifetime HEPA filter and comes with four attachments. Sales tax is charged in most states.