We may earn a commission from links on this page. Deal pricing and availability subject to change after time of publication.Amazon's Prime Day 2025 sale was its biggest ever, stretching for four days this past July—but the company is not done with your wallet yet. The fall version of the mega-sale, known as Prime Big Deal Days, is just around the corner. Here is everything you need to know to prepare for the fall's biggest sale (at least until Black Friday rolls around.What is Prime Big Deal Days?You can think of Prime Big Deal Days as fall's answer to Prime Day. It's a two-day sale with deals in virtually every category you can think of. While Prime Day is the bigger sale of the two, Prime Big Deal Days has grown substantially since its first iteration back in 2022.When is Prime Big Deal Days this year?Amazon announced Prime Big Deals Days 2025 will take place from Oct. 7–Oct. 8. This is the fourth year for Amazon's fall Prime Day sale.Do you need to be a Prime Member to shop during Prime Big Deal Days?Yes, you will need to be a Prime Member to shop the exclusive sales during Amazon's Prime Big Deal Days. Prime membership starts at $14.99 per month. While only you can decide if buying a yearly Prime membership is worth it for you, remember you can always sign up and then cancel your Prime membership once the sale is over: Amazon offers a free 30-day trial, so you can shop both days of the event (and even get some early Black Friday deals) before canceling without being charged. Here's how to sign up for a Prime account and all of the benefits that come with it.What sales you can expect during Prime Big Deal DaysPrime Day happens in the summer, when you're more likely to see deals on outdoorsy stuff, like gardening equipment, grills, and hot tubs, in addition to the usual tech and Amazon device deals. Since Prime Big Deal Days happens in the fall, you're likely to see more deals on gaming and indoor gym equipment. Amazon has already announced some categories that will be on sale, including home, apparel, toys, beauty, electronics, groceries, and household essentials. Some brands you can expect are: LEGO, Fisher-Price, MAGNA-TILES, Tonies, Samsung, LG, Sonos, Lancôme, National Tree Company, KitchenAid, and Beats devices. Keep an eye on "Today’s Big Deals," since that's where you'll see the biggest discounts from major brands, according to Amazon's press release. Amazon also teased deals for up to 50% off Amazon devices, kitchen appliances for up to 40% off, and print books for up to 65% off. Here is a complete breakdown of everything Amazon noted in its latest press release:Devices and tech dealsSave up to 65% on select popular electronics from Anker like power banks and portable chargersSave up to 50% on select Luna Controller and Fire TV bundlesSave up to 50% on select Amazon devices including the Amazon Smart Plug and Echo Frames; and up to 45% on Amazon device bundles including the all-new Kindle Colorsoft Kids Essentials and Kindle Colorsoft Essentials bundles, Echo Show 5 Kids with Echo Glow, and the Ring Battery Doorbell Plus bundlesSave up to 45% on select Bose headphones and speakersSave up to 40% on select TVs and monitors from LG and HisenseSave more than 40% on the Amazon Luna controllerSave up to 30% on select electronics from Sony and SamsungFashion dealsSave up to 50% on select apparel from Levi’s and CIDERSave up to 50% on select Zappos styles from brands including Crocs, Gola, and Steve MaddenSave up to 40% on select apparel, footwear, and fashion from GAP, NAADAM, New Balance, and SwarovskiSave up to 35% on select denim; and up to 25% off select sweaters and outerwear for the whole family from Amazon EssentialsSave up to 25% on select styles from Shopbop from brands including LE BOP, Madewell, Veja, and LionessSave up to 20% on pre-loved designer handbags, jewelry, and accessories from What Goes Around Comes Around and RebagBeauty and health dealsSave up to 40% on select makeup from tarte, Anastasia Beverly Hills, and IT CosmeticsSave up to 30% on select premium beauty products from Estée Lauder, Lancôme, Shiseido, LANEIGE, URBAN DECAY, TULA, Dolce & Gabbana, Clinique, bareMinerals, Smashbox, and Too FacedSave up to 30% on select skincare from ELEMIS, Kiehl’s, Dr.Jart+, and medicubeSave up to 30% on select haircare from VEGAMOUR, amika, Living Proof, Color Wow, and Aveda; and up to 25% on Dyson beauty productsSave up to 25% on select premium skincare from La Roche-Posay, Paula's Choice, and Youth to the People; and haircare from K18 and NutrafolSave up to 20% on select haircare and makeup from Kitsch and Milk MakeupSave up to 20% on select beauty and skincare from Luxury StoresHome and pet dealsSave up to 50% on select floorcare from Shark and eufySave up to 50% on select travel gear from SamsoniteSave up to 45% on select BISSELL and iRobot vacuums and mopsSave up to 40% on select kitchen appliances from KitchenAid and VitamixSave up to 30% on select pet products from Blue Buffalo, Pet Honesty, and Zesty PawsSave up to 30% on select furniture, home, and décor styles from Ashley Furniture, Yankee Candle, WoodWick, and Eddie BauerSave up to 30% on select grocery essentials from Pepsi, Frito-Lay, and Dixie; and up to 20% on select products from CELSIUS and Liquid DeathSave up to 30% on select home products from DysonSave up to 25% on select personal care and grooming items from Gillette, Braun, Dove, and Crest and household essentials from Dawn and LysolSave up to 20% on select holiday items from National Tree Company, Fraser Hill Farm, and NEST New YorkToys and sportsSave up to 40% on select toys from Fisher-Price, Ms. Rachel, Crayola, Play-Doh, NERF, and ToniesSave up to 30% on select toys and building sets from LEGO, MAGNA-TILES, and PicassoTilesSave up to 40% on select Disney, Star Wars, and Wicked toys, apparel, and home goodsSome early Prime Big Deal Days deals are already liveAs is usually the case, Amazon will kick off its sales with some early deals in the lead-up up to the main event. You can browse around on the main Prime Big Deal Days landing page to see what's available right now. Some highlights:Amazon is already discounting Amazon devices up to 50% off. These Kindle reader bundles are especially good, with most going for less than buying the Kindle devices by themselves. The Hisense 100" Class U6 Series is down to its lowest price ever, $1,899.99 (originally $2,599.99).Amazon's competitors are also offering salesAs in past years, you can expect major retailers to have their own competitive sales, including Best Buy, Target, and Walmart. Some tips for a successful Prime Big Deal DaysIf this will be your first October Prime Day, there are some basic things you need to know about Amazon sales: You can share your Prime membership with family members even if they don't live with youYou can set price alerts for products you want and your Alexa devices can notify you when they go on saleThere are usually some "Invite-Only" deals that you can sign up forThere are tools you can use to see if the deal you're looking at is good or not. But if you only take one bit of advice for shopping on Prime Big Deal Days, let it be this one: Don't buy anything you weren't going to buy anyway. A good way to make sure you do this is by making a list of the products you do want, and only having eyes for those.