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Back-to-School Sales are in full swing this week, plus seasonal outdoor furniture you can enjoy while the weather's warm. These and more are in this week's best bargains.

Amazon Warehouse Deals Back to School Sale

Though our analysis found other stores to have lower prices on school supplies, Amazon did score highly for shoppers buying in bulk. And those savings will be even better as Amazon Warehouse Deals cuts up to an extra 15% off a selection of used and open-box back to school items. (Discount will apply at final checkout.) Prime members receive free shipping, and non-members can spend $49 or more to qualify for free shipping. Save on printers, phone accessories, bike racks, school supplies, and airbeds.

For more, check out our list of dos and don'ts of back-to-school shopping.

Lighting & Ceiling Fans at Home Depot

Home Depot takes up to 80% off a selection of lighting and ceiling fans. Choose in-store pickup to dodge the $5.99 shipping fee, or spend $45 or more to qualify for free shipping. A couple of best bets include the Bel Air Lighting 52" Ceiling Fan for $48 (low by $30), and the Hampton Bay 5-Light Tuscan Copper Chandelier for $99 ($90 off).

Costco Buyers' Best Picks Sale

This membership warehouse store usually only offers broad, store-wide discounts around Black Friday and New Year's. So when it cuts prices on top of its already competitive rates, the deals are not to be missed. Costco takes up to 33% off a selection of furniture, electronics, apparel, health and beauty items, and gift cards during its Buyers' Best Picks Sale. (Most items are priced as marked for Costco members, although some receive in-cart discounts; non-members pay a 5% surcharge.) Many items come with free shipping; otherwise, shipping starts at $2.99.

Patio Sale & Clearance Items at Target

Target takes up to 90% off a selection of patio sale and clearance items. (Target advertises up to 40% off, but we found deeper discounts within.) Plus, coupon code "TGRDZRHP" cuts an extra $5 off select orders of $50 or more. Choose in-store pickup to dodge the shipping fees, which start around $4, or bag free shipping on orders of $25 or more. Some choice discounts include the Threshold Madaga Gazebo Sunshade for $27.20 (the frame is sold separately, $7 off), and the Threshold Folwell Swivel Dining Chair 2-Pack for $269.99 plus $30 s&h ($30 off).

Amazing bargains pop up at any given moment, so consider signing up for a daily email digest from DealNews to have the best offers sent directly to your inbox.