Greenworks Smart Self-Charging Robot Vacuum Cleaner

That's 50% off and the best-ever price. Buy Now at Amazon

In this sale you can get deals on five select robot vacuum models, including the pictured Ecovacs Deebot X2 Omni Robot Vacuum and Mop for $299.99 (low by $1,200). Shop Now at Woot! An Amazon Company

In this sale you'll find select refurbished iRobot vacuum cleaners discounted as part of eBay's Memorial Day Sale. Even better, you can use coupon code "MEMORIALDEALS" at checkout to get an extra 20% off your order. We've pictured the certified refurb iRobot Roomba j9+ Self-Emptying Robot Vacuum Cleaner for $329.99 after coupon (best price we've seen). Each refurb includes a 2-year Allstate warranty. Shop Now at eBay

It's the best-ever price we've seen for this model. Most stores charge at least $140 more. Buy Now at Amazon

The Amazon Memorial Day sale has new discounts on thousands of items across most categories. Amazon advertises up to 35% off in the banner, but we found discounts as large as 90% off (use the filters to find the discount range you're looking for). While there are typical deals on lawn and garden, sports and outdoors, and grilling equipment, you'll also find great deal on top brands like Levi's, Columbia, JBL, Dyson, Bose, and more.

Check out all the best Amazon Memorial Day deals that DealNews has found so far.

This deal was good enough to make our roundup of the top five best deals of the day. Follow that link to see our latest selection. Shop Now at Amazon

Amazon's Grad Shop is open with discounts on gifts, clothing, shoes, watches, and handbags for the occasion. Pictured is the Nextmug 14-oz. Temperature-Controlled Coffee Mug, which is $100 (a $30 price drop). Shop Now at Amazon

Save on shirts, tops, hoodies, sports bras, shoes, and accessories. Pictured is the adidas Men's Airchill Freelift Polo Shirt Pro from $21 (close to $50 elsewhere). Shop Now at Amazon

Amazon celebrates May the 4th with deals on everything Star Wars, from LEGO sets to home decor. We found the biggest Star Wars day discounts on toys, but you'll find costumes, Band-Aids, water bottles, and even a rug. Shop Now at Amazon

That's $19 under our September mention and the best price we've seen for it. Buy Now at Amazon

Save on trimmers, pressure washers, chainsaws, leaf blowers, drills, and more. Pictured is the Greenworks 24V Cordless 6-Speed Anti-Drip Caulk Gun with 2Ah Battery and Charger for $70 ($80 off). Shop Now at Amazon

There's almost 130 deals in this section. We've pictured this Greenworks 80V 21" Cordless Battery 4-in-1 Self-Propelled Mower w/ 8.0Ah Battery & Charger for $524.99 ($225 off.) Stack your order above $100 to dodge the shipping fees, which vary. Shop Now at Greenworks

There's 180 deals in this section. We've pictured this Greenworks 40V 19" Cordless Battery Push Mower w/ Battery & Charger for $263.99 ($46 off.) Stack your order above $100 to dodge the shipping fees, which vary.  Shop Now at Greenworks