21 Best Buy doorBOOster deals with 50% off or more: I found the biggest discounts on LG OLED TVs, Sony headphones and Shark vacuum cleaners

(Image credit: Shutterstock) Rejoice! Best Buy's DoorBOOster sale is here, and it's packed with scary-good deals! Coming just in time for Halloween, now's a great time to upgrade your TV, headphones or laptop — without having to wait for Black Friday.I'm only focusing on deals that are at least 50% off today, so you can be assured that the savings are huge. Scroll down to check out the best discounts this weekend! For more, see our Best Buy promo codes page.Quick Linksshop all Best Buy dealsSony Wired Earbud Headphones: was $19 now $9Blink Mini 2K+: was $39 now $16Energizer 3-in-1 Magnetic Foldable Wireless Charging Stand: was $49 now $19Bella Pro 12-Cup Programmable Coffee Maker: was $59 now $29TCL 40" Q3CR Series 1080P Roku TV: was $299 now $99Shark PowerDetect Speed Cordless Stick Vacuum: was $499 now $199LG 48" B6 4K OLED TV: was $1,199 now $599Lenovo IdeaPad Slim 3i 15.3" 2K: was $1,299 now $649LG 55" C6 4K OLED TV: was $1,999 now $999Samsung HW-Q990F Soundbar w/ Subwoofer & Rear Speaker: was $1,999 now $999AudioTVsSmart homeComputingAppliancesGaming (Image credit: Future)Follow Tom's Guide on Google News and add us as a preferred source to get our up-to-date news, analysis, and reviews in your feeds. Make sure to click the Follow button! Our deals editors search over 10,000 sites in order to find the best deals. Sign up to our newsletter to be the first to know about the biggest savings on the hottest deals. Millie is a Deals Editor at Tom's Guide specializing in deals content. She also covers the latest tech news and and creates how-to articles about everything from phones, streaming devices, and headphones to apps and video games. In her spare time, she enjoys reading, gaming on her Nintendo Switch and creating digital art.