Certified Refurb Laptops and Desktops at Staples

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

Save on docking stations, chargers, extension cords from Anker and others. We've pictured this Anker 4-Port Slim Fast Wall Charger for $34.99 ($31 off.) Shop Now at Woot! An Amazon Company

As part of Best Buy's Outlet Event, over 5,000 open-box electronics have been discounted by up to 50% off. Choose from TV, laptops, audio, and more. Shop Now at Best Buy

Costco members can shop online or in-warehouse to take advantage of the May Instant Savings deals. We found discounts up to $1,400 off appliances and hot tubs, but you'll also find great discounts on everyday items like plates and laundry supplies. No promo code is needed for these deals, but you will need a Costco membership. Shop Now at Costco

You'll find over 300 items marked down in Staples' clearance section, including deals on office and school essentials like cleaning supplies, stationery, printer ink, and more. Shipping adds $9.95, but orders over $35 ship free. Many items are also available for in-store pickup. Shop Now at Staples

You'll find over 300 items marked down in Staples' clearance section, including deals on office and school essentials like cleaning supplies, stationery, printer ink, and more. Shipping adds $9.95, but orders over $35 ship free. Many items are also available for in-store pickup. Shop Now at Staples

Save on brands including HP, Epson, Canon, and more, with most items also getting free shipping. We've pictured this HP LaserJet Pro 4001dn Wired Black & White Laser Printer for $269.99 ($90 off.) Shipping adds $9.95, but orders over $35 ship free. Many items are also available for in-store pickup. Shop Now at Staples

Save on K-Cups from Starbucks, Dunkin, Green Mountain, Folgers, and more. We've pictured the Dunkin' Medium Roast French Vanilla Coffee Keurig K-Cup 88-Count Pods for $37 ($19 less than Amazon charges). Shipping adds $9.95, but orders over $35 ship free. Many items are also available for in-store pickup. Shop Now at Staples