Shark is running a big vacuum sale on Amazon right now, with discounts ranging from 20% to 50% off across stick vacuums, cordless models, and full-size uprights. The standout is the Shark Rocket HV301, a corded stick vacuum with more than 11,000 reviews and Amazon’s Choice status — it just dropped exactly in half, from $199.99 down to $99. This model has been a consistent bestseller in the stick vacuum category for years, and more than 10,000 people bought one last month alone. Shark NV501 Rotator Professional Lift-Away Upright Vacuum $199.99 (was $329.99)Shark’s Rotator Professional is the right pick if you want a full-size upright with serious cleaning power. HEPA filtration, swivel steering, LED headlights, and a full attachment set are all included.