USB-C to 3.5mm Audio Headphone Adapter 3-Pack

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. 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

That's a $10 low. Buy 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

Save on saw blades, axes, shears, hacksaws, and more. Pictured is the Fiskars 32" PowerGear Tree-Trimming Loppers for $40 (low by $8). Shop Now at Amazon