Makita 21" 18V X2 LXT Cordless Self-Propelled Lawn Mower Kit w/ 4 Batteries + String Trimmer

Update: The price has changed to $36.79 since this was originally published.

This 2-pack of 8.0Ah Ryobi-compatible batteries is just $34 right now at eBay. That's a $10 drop from its original price and puts them at just $17 apiece. Shipping is free, too. Each battery carries a 10-year warranty, and the pack is compatible with a wide range of Ryobi 18V One+ tools and battery models. Buy Now at eBay

Home Depot's Labor Day Sale covers generators ranging from portable backup units to whole house standby systems. A Champion Power Equipment dual fuel portable generator is priced at $829, while several Generac whole house models with automatic start and 200 amp transfer switches are discounted 10%, including a 26kW unit down to $7,253 from $8,059. For smaller backup needs, an Anker SOLIX solar-powered portable power station is $650, down from $750. Sale ends September 9. Shop Now at Home Depot

eBay's certified refurbished EGO outlet covers a wide range of outdoor power equipment, from leaf blowers and string trimmers to lawn mowers and pressure washers. A 21" self-propelled lawn mower with Touch Drive is $379, down from $399, and a 56-Volt Nexus 3000 power station drops to $499 from $799. All items are sold by an authorized seller and ship free. Shop Now at eBay

Acme Tools' eBay storefront covers a wide range of outdoor power equipment, with many EGO Power+ and Milwaukee items marked as refurbished. A Milwaukee M18 Fuel 16" chainsaw bare tool is listed at $219.99, down from $508, while an EGO Power+ hedge trimmer bare tool runs $145.49, down from $159. The selection spans trimmers, blowers, chainsaws, mowers, and pressure washers from brands including EGO, Milwaukee, Greenworks, Makita, and Shindaiwa. Refurbs include 1- or 2-year Allstate warranties. Shop Now at eBay

Home Depot's Labor Day Sale is live, with big discounts on appliances, tools, outdoor gear, storage, and furniture across the store. We've found some of the best deals in the tool section, where you can get free extra tools or batteries with purchases. Otherwise, discounts reach as high as 61% on power tools, 48% on outdoor power equipment, 45% on luggage, and generators are discounted by up to $500.  Shipping is free on most items in this sale. The discounts end on September 9.  Shop Now at Home Depot

Home Depot's Special Values sheds lineup covers everything from compact metal units to large resin and wood storage buildings. A VIWAT 10' x 16' metal shed drops to $500, down from $775, while a Suncast Modernist resin shed with floor is $1,000, down from $1,230. Shoppers will also find heavier-duty options like a Best Barns two-story wood barn kit for those needing more storage space. Buy Now at Home Depot

Home Depot's Pro Special Buy of the Week discounts cordless tools and combo kits from Milwaukee, DEWALT, RIDGID, and RYOBI. A Milwaukee M18 FUEL hammer drill and impact driver combo kit with three 5.0Ah batteries runs $369, down from $558, while a RIDGID 18V cordless 8-tool combo kit with two batteries and a charger is $399, down from $599. The sale spans power tool kits, individual power tools, and hand tools, with free delivery or free ship-to-store on eligible items. Shop Now at Home Depot

Home Depot's Garden Center Special Values cover a wide range of outdoor products, from bagged mulch at $3.33 down from $3.67 to a metal pulsating sprinkler and hose combo at $88, down from $100. Insect control items like the Off! Insect Repellent Outdoor Fogger start at under $9, while larger investments like a polycarbonate walk-in greenhouse run into the hundreds. The sale spans everyday garden supplies like soil and mulch as well as bigger equipment such as wheelbarrows and irrigation systems. Shop Now at Home Depot