As part of its Black Friday sale, Amazon is offering the Hoover CleanSlate Plus Portable Carpet and Upholstery Spot Cleaner for $89.99 shipped. While it holds a $150 MSRP, we’ve been more regularly seeing its price down between $120 and $140, though recently there’s been long stretches at prices as low as $98. We first saw it dip under $100 on Amazon during October’s Prime Day event, with November’s holiday sales returning things to this low rate at 40% off its full MSRP, giving you the lowest price that we have tracked on the outlet’s online marketplace.