Brace yourselves: Black Friday is coming and, at some retailers, the sales last all week long! You won't be able to resist these incredible steals on TVs, tablets, phones, cameras, headphones, and more. Check out over 150 of the year's best tech deals from the biggest sale day of the year.

Kmart

Stores open Thanksgiving Day at 6 a.m. and close at 5 p.m. The second round of doorbusters start Thursday at 7 p.m. and end at 3 a.m.

• Samsung Galaxy Tab 4 7" 8GB Android Tablet ($150 + $20 in member points, originally $200)
• Amazon Fire HD 6 6" 8GB WiFi Tablet ($80 + $10 in member points, originally $100)
• RCA 46" 1080p LED LCD HDTV ($300, originally $449)
• Selected Xbox One games (up to $30 off, $25 to $50 each)

Costco

Deals start Nov. 28 at 9 a.m. and end Nov. 30 while supplies last.

• iPad Air 32GB Silver ($449 (original price) + $40 iTunes gift card)
• Apple TV ($100 (original price) + $15 iTunes gift card)
• iTunes $25 multipack of 3 ($85, originally $100)
• Chromecast ($25, originally $35)

Staples

Begins Sunday, Nov. 23 and ends on Friday. Opens 6 p.m. on Thanksgiving Day, and 6 a.m. on Friday.

• 20 percent everything you can fit in the "Black Friday bag" until Nov. 25
• 25 percent off one full-priced item on Nov. 26
• $100 off all full-priced tablets at $399 and up (excludes iPad Air 2 and iPad mini 3) until Nov. 23
• Kindle ($49, originally $79)
• Amazon Fire TV ($74, originally $99)
• Apple TV ($79, originally $99)
• Beats Solo Drenched headphones ($80, originally $170)
• Canon imageCLASS Duplex Wireless All-in-One Printer ($200, originally $300)
• Chromecast ($25, originally $35)>
• Dell touchscreen 2-in-1 laptop ($350, originally $500)
• Surface Pro 3 ("too low to show," according to the ad)
• iPad Air 16GB ($300, originally $400)
• iPad Air 32GB ($349, originally $449)

RadioShack

Opens Thursday Thanksgiving Day 8 a.m. to 12 p.m. and Friday at 6 a.m.

• Samsung Galaxy S5 (free with two-year contract, originally $200)
• No-contract Moto E and Lumia 635 ($50, originally $130)
• LG Volt phone ($40, originally $180)
• LG G3 smart phone (free with two-year contract and first 500 customers will receiver LG G smartwatch) 
• 8GB 7-inch Samsung Galaxy Tab 4 ($150, originally $200) 
• Amazon Fire HD 6 ($80, originally $100)
• Beats by Dre Solo HD Headphones ($70, originally $170)
• Beats Studio Wireless headphones ($270, originally $380) 
• iPod touch 16GB 5th Gen. ($150, originally $200)
• Google Chromecast ($25, originally $35)
• Samsung Blu-ray Disc Player w/ Built-in Wi-Fi ($55, originally $250)
• Nikon Coolpix L830 16.0MP Digital Camera ($170, originally $230)
• Samsung HM1900 Bluetooth Headset ($25, originally $40)
• Skullcandy Uprock Headphones ($15, originally $30)
• Skullcandy Smokin' Bud 2 Earbuds ($15, originally $30)
• SkullCandy Hesh 2 Wireless Headphones ($80, originally $100)

Microsoft

• Surface Pro 3 i5 ($100 off, starts at $799)
• Surface Pro 3 i7 or Surface 2 ($150 off, starts at $449)
• Lumia 830 Fitbit bundle ($99, Lumia 830 plus a free Fitbit Flex)
• Xbox One starting at $349

Best Buy

Best Buy stores will be open on Thanksgiving Day, Nov. 27 from 5 p.m. to 1 a.m. for early Black Friday deals, and stores will reopen Friday, Nov. 28 from 8 a.m. to 10 p.m. TVs

• Sony 55" 2160p 4K LED TV [1] ($1,500, originally $3,000)
• Samsung Curved 55" 4K LED TV [2] ($1,300, originally $2,200)
• Panasonic 50" 1080p LED HDTV [3] ($200, originally $550)
• Samsung 55" 2160p 4K LED TV [4] ($900, originally $1,400)
• LG 55" 1080p LED HDTV [5] ($480, originally $650)
• Insignia 29" 720p LED HDTV [6] ($100, originally $170)
• Vizio 50" 1080p LED HDTV [7] ($500, originally $700)
• And many, many more TVs [8]

Phones

• iPhone 6 16GB ($100 with two-year contract, originally $200)
• iPhone 5S 16GB ($1 with two-year contract)
• Samsung Galaxy S5 ($1 with two-year contract, originally $200)
• LG G3 ($1 with two-year contract, originally $200)
• Sony Xperia T2 ($200 unlocked, originally $300)
• Select Mophie Juice Packs and Battery Cases ($60, originally $100)
• Lifeproof Fre Waterproof Cases ($50, originally $80)

Tablets

• iPad Air 2, $100 off all GB models
• iPad Mini 3, $75 off all GB models
• Microsoft Surface 2 32GB ($300, originally $450)

Cameras

• Canon Rebel T3i DSLR Camera with two lenses [9] ($500, originally $900)
• GoPro Hero 3+ Silver Edition Camera [10] ($250, originally $300)

Target

Thanksgiving Day, Nov. 27, through Nov. 29 These deals will be up on Target.com Thanksgiving morning before the stores open at 6 p.m.

• The new iPad Air 2 and iPad Mini 3 are priced as normal ($499 and $399, respectively, but the Air comes with a $140 Target gift card, and the Mini comes with a $100 Target gift card)
• nabi 2 Android Tablet ($130, originally $180)
• RCA 8" Tablet ($70, originally $120)
• iPhone 6 16GB ($180 with 2-year contract and $30 Target gift card, originally $200)
• iPhone 5S 16GB ($79 with 2-year contract and $30 Target gift card, originally $100)
• iTunes Gift Card, Buy one get one 30 percent off
• Virgin Mobile Kyocera Hydro Vibe smartphone ($30, originally $150, no contract)
• Samsung Galaxy S5 smartphone ($0.01 with 2-year contract, originally $200)
• Beats by Dre Solo HD Headphones ($97, originally $170)
• Beats by Dre Studio Headphones ($250, originally $300)
• HP Envy Wireless Printer ($60, originally $130)
• Canon T5 DSLR Bundle ($449, originally $799)
• Nikon L330 20.2MP High Zoom Camera ($99, originally $230)
• Nikon D3200 Camera and 2-Lens Bundle ($497, originally $780)
• GoPro HERO3+ Silver Edition ($250, originally $300, plus free $50 Target gift card)
• Westinghouse 55" 1080p LED HDTV ($395)
• Element 40" 1080p LED HDTV ($119)
• Samsung 50" 1080p LED HDTV ($478, originally $700)
• Samsung 32" LED HDTV ($198, originally $250)
• Vizio 39" LED HDTV ($220, originally $350)
• Apple TV ($89, originally $100)
• Samsung 37" Bluetooth Soundbar ($88, originally $180)
• Sony WiFi Blu-Ray Player ($50, originally $120)
• RCA 9" Portable DVD Player ($55, originally $90)
• Fitbit Charge Wireless Activity + Sleep Wristband ($100, originally $130)
• Sony PlayStation 4 ($399, comes two free TBD games)
• Xbox One ($330, originally $400, plus free $50 Target gift card and two free digital-download games)
• Dyson DC50 Allergy Vacuum ($279, originally $450)
• Casio 61-Key Electronic Keyboard ($65, originally $100)
• Black & Decker Junior Power Tool Workshop ($39, originally $60)
• Hello Kitty CD Karaoke System ($40, originally $50)
• Jensen Boombox ($30, originally $40)

Black Friday, Nov. 28 Only In addition to the above electronics deals, from 6 a.m. to noon on Black Friday only, customers can purchase up to $300 of Target gift cards with 10 percent off at brick-and-mortar stores and online.

Walmart

Beginning Thanksgiving night and ending Cyber Monday morning, the big-box retailer's five-day sale extravaganza has been split into three parts: a 6 p.m. Thanksgiving Thursday doorbuster, an 8 p.m. doorbuster on the same day, and the traditional Friday sale that begins at 6 a.m., two hours earlier than last year. Nov. 27 One-Hour Guarantee Deals On Thanksgiving Day, buy items between 6 p.m. and 7 p.m., and leave with them on the same day, or receive purchases before Christmas. Limit one per customer.

• Xbox One Halo "The Master Chief Collection" Bundle ($329 with a $30 Walmart gift card)
• 50" Class LED HDTV ($218, originally $398, $180 savings)
• Apple iPad Mini 16GB With WiFi ($199, originally $239, with a $30 Walmart gift card, $70 savings value)
• Vizio 65" Class Smart LED HDTV ($648, originally $998, $350 savings)
• RCA 7" Google Play WiFi Tablet ($29 special buy) 
• LG Blu-ray Disc Player ($35 special buy) 
• HP Intel Celeron Touch Laptop ($249 special buy)
• Samsung Galaxy Ace Style on Straight Talk Wireless Phone ($29, originally $129, $100 savings)
• Beats by Dr. Dre Wireless Headphones ($149, originally $279, $130 savings) 

Nov. 27 6 p.m. Deals

• Xbox One Assassin's Creed Unity Bundle ($329)
• Xbox 360, ($99, originally $179, $80 savings)
• Xbox One Controller ($40, originally $60, $20 savings)
• PlayStation 4 ($399 with $50 Walmart gift card)
• PlayStation 4 Camera ($40, originally $60, $20 savings)
• PlayStation 4 Controller ($40, originally $60, $20 savings)
• Nintendo 3DS XL Super Mario Bros. 2 bundle ($150 special buy)
• Select Xbox 360 (Fifa 14, Madden 15, Destiny), PS4 (NBA2K15, Diable, The Evil Within) and Mario Kart 8 for Wii U ($35 each special buy)
• Select PS4 titles (Assassin's Creed IV: Black Flag), Xbox 360 titles (Grand Theft Auto), Mario Kart 7 for Nintendo 3DS, and Just Dance for Wii ($25 each special buy)
• Select Xbox 360 and PS3 titles ($20 each)
• Select Nintendo 3DS and Xbox 360 Titles ($15 each)

Nov. 27 8 p.m. Deals

• Fitbit Flex ($69, originally $99)
• Chromecast ($25, originally $25, $10 savings)
• Roku ($28, originally $48, $20 savings)
• Beats By Dr. Dre Solo Headphones ($100, originally $170, $70 savings)
• Misfit ($24, originally $50, $26 savings)
• GoPro Hero3 White Edition ($200 with $50 Walmart Gift Card)
• Beats Pill Speaker ($100, originally $200, $100 savings)
• Monster Headphones ($50, originally $100, $50 savings)
• OtterBox Defender Cases (iPhone and Samsung Galaxy) ($29, originally $47, $18 savings)
• Canon Rebel T5 DSLR Camera 2-Lens Bundle ($449, originally $599, $150 savings)
• Vizio 50" Smart LED 4K Ultra HDTV ($698, originally $989, $300 savings)
• Samsung Smart TV 60" LED ($798, originally $998, $200 savings)
• Samsung Smart TV 55" LED ($598, originally $798, $200 savings)
• Nikon D3200 dSLR Camera 2-Lens Bundle ($499, originally $550, $50 savings)
• Samsung Galaxy S4 on Straight Talk Wireless ($249, originally $449, $200 savings)
• Samsung Galaxy Tab 3 Lite 7-Inch Wi-Fi Tablet ($99, originally $140, $40 savings)
• Sony Bluetooth Sound Bar With Wired Subwoofer ($88, originally $138, $50 savings)
• Vizio Bluetooth Sound Bar With Wireless Subwoofer ($198, originally $298, $100 savings)
• HP Envy All-in-One Wireless Printer ($49)
• Toshiba 1TB Hard Drive ($49 special buy)

Nov. 28 6 a.m. Deals

• Samsung Galaxy S4 ($0.97 with two-year Verizon contract, originally $29, $28 savings)
• Samsung Galaxy S5 ($100, originally $140, $40 savings with two-year contract)
• iPhone 5S ($79 with two-year contract, plus $75 Walmart Gift Card)
• iPhone 6 ($179 with two-year contract, plus $75 Walmart Gift Card)
• Toshiba 1TB Hard Drive ($49 special buy)

Amazon

• Up to 45 percent off selected Samsung TVs [11], including Samsung 40-inch Smart 1080p LED TV for $328 and the Samsung 55-inch Curved Smart 4K Ultra HD LED TV for $1,298
• 32-inch LED TV for $79
• 40-inch 1080p LED TV for $119
• Toshiba 50-inch LED TV for $199
• Vizio 55-inch Smart LED TV for $478
• LG 65-inch 120 Hz LED TV for $648
• Samsung 55-inch Smart LED 4K Ultra HD TV for $899
• Save up to 20 percent on Intel-powered laptops and two-in-ones
• LG G3 and HTC One M8 smartphones for $0.01 with a new two-year contract
• Top-selling DSLR with two-lenses for under $500
• Select Beats Studio Over-Ear Headphones for $200
• Xbox One console for Amazon's "lowest price ever," plus over $150 value in digital content
• Roku LT Streaming Media Player for $28
• Panasonic Smart 3D Blu-ray Player for $35
• Plantronics Bluetooth Headset for $20
• More than 50 Kindle books for $2 each

Toys"R"Us

Depending on your location, stores will close at either 11 p.m. or 1 a.m. Check this store locator for hours. Thursday, 5 p.m. to 9 p.m.

• Skylanders Trap Team figures (buy 1, get 1 70 percent off, originally $7 to $17)
• Polaroid 7-inch tablet ($40, originally $80)
• Disney Infinity Starter Packs ($49 to $55 each, originally $60 to $75 each)

Thursday 5 p.m. to Store Closing

• HALO Spartan Tribute Pack ($24, originally $40)
• Nintendo 3DS XL Mario Party Island Tour Edition ($179)
• PlayStation 4 The Last of Us Remastered and GTA 5 ($400)
• PlayStation 4 LittleBigPlanet 3 and Lego Batman 3 bundle ($400)
• Wii U 8GB with Skylanders Swap Force bundle ($200)
• Xbox One console with Kinect ($430)
• Xbox One Assassin's Creed bundle, with Unity and Black Flag ($330)
• Amazon Fire HD 6 Tablet ($80, originally $100)
• Amazon Fire HD 7 Tablet ($110, originally $140)
• Samsung Galaxy Tab 4 7-inch ($150, originally $180), 8-inch ($200, originally $270) and 10-inch ($250, originally $350)
• Anki Drive Starter Kit ($100, originally $150)
• All video games (buy 1, get 1 40 percent off, originally $20 to $60 each)

Friday 7 a.m.

• iPod Touch 5th Gen 16GB ($150, originally $200)
• Samsung Galaxy Tab 3 7-inch Kids Tablet ($130, originally $230)

— Additional reporting by Kelly Schwarze and Lisette Mejia