17 items in this article 16 items on sale! Photo-Illustration: The Strategist; Photo: Retailer Prime Day is here, and we’re updating this story hourly. To find the best deals in every category, follow all of our Prime Day coverage . The Shark PowerDetect Pet Plus is my pick for the best overall cordless vacuum because it combines excellent cleaning power across all types of flooring with convenient features — like a self-emptying dock — that are still missing from much more expensive