The best October Prime Day deals under $100

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Amazon’s fall Prime Day — called Prime Big Deal Days — is officially here, and if you want to buy your favorite items for less, the retailer is offering discounts on numerous products under $100 during the event. Prime Big Deal Days is a 48-hour sale exclusive to Prime members, and you can find deals on home and kitchen, wellness, tech items and more.

SKIP AHEAD Amazon Prime Day deals under $100 | Amazon Prime Day sales under $100 | Best sales at other retailers

To help you make the most of Prime Day Big Deal Days and identify what’s actually worth buying, we compiled some of the best deals under $100 that we think you should know about. We’ll continue updating our list with new savings opportunities throughout the event.

Best Prime Day deals under $100

Below, we’re sharing the best Prime Day deals under $100. All of our recommendations are based on our previous coverage and reporting. We also included a handful of products we’ve tried ourselves, including Select Wellness Award, Pet Award and Bed & Bath Award winners. To ensure the quality of each deal, we’re running deals through price trackers like CamelCamelCamel — each product is either at its lowest price ever or its lowest price in at least three months.

Casper Original Pillow 2-Pack

Casper Original Pillow Two Pack

• Casper Original Pillow Two Pack $ at Amazon

• Casper Original Pillow Two Pack $ at Casper

• Casper Original Pillow Two Pack $ at Best Buy

4.4-star average rating from 10,477 reviews on Amazon

Lowest price ever

The Casper Original Pillow is a Select Best of Bed and Bath Awards winner due to its breathable percale weave and 100% cotton cover, which ensures that you stay cool throughout the night, according to the brand. Suited for any type of sleeper, the pillow has two machine-washable layers, including an inner core with shorter fibers and an outer layer with soft, clump-resisting fibers that Select staff described as “a pillow-in-a-pillow.” This set comes with two Casper pillows in your choice of a standard or king size.

Instant Pot Vortex Plus

Instant Pot Vortex Plus

Instant Pot Vortex Plus $ at Amazon

4.7-star average rating from 25,703 reviews on Amazon

Lowest price ever

This 6-quart capacity air fryer can also roast, broil, bake, reheat and dehydrate your food in minutes. It even has customizable programs you can choose to make specific foods, including wings, roasted veggies and cookies, according to the brand. You can select any temperature ranging between 95 degrees and 400 degrees Fahrenheit, plus it comes with a nonstick, dishwasher-safe air fry basket and tray to make cleanup easy.

Waterpik Aquarius Water Flosser

Waterpik Aquarius Water Flosser

• Waterpik Aquarius Water Flosser $ at Amazon

• Waterpik Aquarius Water Flosser $ at Walgreens

4.6-star average rating from 123,422 reviews on Amazon

This ADA-accepted water flosser comes with 10 pressure settings and a 22-ounce, dishwasher-safe water reservoir. You can use one of the seven included tips (you can buy additional replacements online) to clean different areas of your mouth and teeth, according to the brand. The water flosser also has a one-minute timer with a 30-second pacer to help you brush the expert-recommended two minutes. It’s available in four colors, including white, gray, blue and black.

Loop Quiet Ear Plugs

Loop Quiet Ear Plugs

• Loop Quiet Ear Plugs $ at Amazon

• Loop Quiet Ear Plugs $ at Loop Earplugs

4.2-star average rating from 66,824 reviews on Amazon

These Loop silicone earplugs are a favorite among our staff and a Select Best of Wellness Award winner because they can effectively reduce outside noise, even in loud street-facing apartments. They also come with eight different sized ear tips to provide a comfortable fit. The earplugs are also washable and reusable, according to the brand.

AeroGarden Harvest

AeroGarden Harvest

• AeroGarden Harvest $ at Amazon

• AeroGarden Harvest $ at AeroGarden

4.6-star average rating from 20,116 reviews on Amazon

Lowest price ever

The AeroGarden Harvest can help you grow fresh herbs and vegetables at home, even without direct sunlight, according to the brand. The hydroponic indoor gardening system comes with LED grow lights that automatically turn on and off via a customizable timer. It can grow six different plants at once up to 12 inches tall, according to the brand. It also has a digital display that automatically reminds you when to add water and plant food to help your herbs grow. The included seed pod kit includes Genovese basil, curly parsley, dill, thyme, Thai basil and mint.

Catan Adventure Board Game

Catan Adventure Board Game

• Catan Adventure Board Game $ at Amazon

• Catan Adventure Board Game $ at Target

4.8-star average rating from 34,601 reviewers on Amazon

One of our favorite board games for adults, Catan is a strategy game in which players build settlements, roads and cities. You earn victory points as your settlement expands, and the first player to earn 10 victory points wins the game. The board game has several expansions, including a board extension for up to six players (the base game allows up to four).

Levoit Core 300 Air Purifier

Levoit Core 300 Air Purifier

Levoit Core 300 Air Purifier $ at Amazon

4.7-star average rating from 82,891 reviews on Amazon

One of our favorite affordable air purifiers, this Levoit option uses a pre-filter, carbon filter and HEPA filter to remove smoke, dust, mold and other contaminants from indoor air. It can clear the air in a 219-square-foot room in 12 minutes, according to the brand. The purifier comes with four sleep timer settings, so it can automatically shut off anywhere from two to eight hours.

AncestryDNA Genetic Test Kit

AncestryDNA Genetic Test Kit

AncestryDNA Genetic Test Kit $ at Amazon

4.7-star average rating from 81,353 reviews on Amazon

Trace your ancestral origins, discover distant relatives and more by using this at-home DNA test kit, according to the brand. You’ll need to send a saliva sample to the AncestryDNA lab using the included prepaid package and typically, you’ll get results back in six to eight weeks, according to the company.

Beats Studio Buds

Beats Studio Buds

• Beats Studio Buds $ at Amazon

• Beats Studio Buds $ at Target

• Beats Studio Buds $ at Best Buy

4.4-star average rating from 76,717 reviews on Amazon

These earbuds offer two listening modes, including active noise cancellation and a transparency option to help you hear outside noises. You can listen for up to eight hours on a single charge, and they have on-ear controls to easily play music, answer calls and more. The earbuds are also sweat- and water-resistant, so you can safely use them while you’re working out, according to the brand.

Differin Acne Treatment Gel

Differin Acne Treatment Gel

• Differin Acne Treatment Gel $ at Amazon

• Differin Acne Treatment Gel $ at CVS Pharmacy

• Differin Acne Treatment Gel $ at Walgreens

4.4-star average rating from 7,292 reviews on Amazon

Lowest price ever

Differin Gel won the Select Best of Wellness award for the best overall acne treatment our staff tried. An expert-recommended treatment for acne-prone skin, it has 0.1% adapalene gel, which is a type of over-the-counter retinoid that can treat mild to moderate acne and blackheads. You can apply a thin layer of the gel to the affected areas after cleansing and before moisturizing, according to the brand.

HP Sprocket 3x4 Instant Photo Printer

HP Sprocket 3x4 Instant Photo Printer

HP Sprocket 3x4 Instant Photo Printer $ at Amazon

4.4-star average rating from 223 reviews on Amazon

Lowest price ever

This portable printer lets you print photos using the bluetooth-enabled HP Sprocket app without needing ink or toner. Weighing less than a pound, the photo printer has a slim, lightweight design that’s also travel-friendly, according to the brand. The printer is only compatible with the HP Zink 3.5-inch by 4.25-inch sticky-backed paper.

Best Friends by Sheri The Original Calming Donut

Best Friends by Sheri The Original Calming Donut

• Best Friends by Sheri The Original Calming Donut $ at Amazon

• Best Friends by Sheri The Original Calming Donut $ at Wayfair

4.6-star average rating from 69,730 reviews on Amazon

One of our favorite dog beds, this cozy circular bed is covered in vegan shag fur and has deep crevices so your pet can burrow, according to the brand. It’s available in five sizes, with the smallest size accommodating pets weighing up to 7 pounds and the largest size for pets up to 150 pounds, according to Best Friends by Sheri. It also comes in over a dozen colors, including oyster (white), dark chocolate (dark brown) and cotton candy (pink).

Nicetown Blackout Curtains Panels

NICETOWN Noise Reducing Blackout Curtains

NICETOWN Noise Reducing Blackout Curtains $ at Amazon

4.7-star average rating from 110,056 reviews on Amazon

These drapes can block up to 99% of light and UV rays from the sun, according to the brand. An expert-recommended blackout curtain for the bedroom, they're available in 24 fade-resistant colors and they come with two panels per package to accommodate different types of windows and styles.

Anker Soundcore 2 Portable Bluetooth Speaker

Anker Soundcore 2 Portable Bluetooth Speaker

Anker Soundcore 2 Portable Bluetooth Speaker $ at Amazon

4.6-star average rating from 112,055 reviews on Amazon

Lowest price ever

This Select staff-favorite bluetooth speaker offers up to 24 hours of playtime on a single charge. It’s water-resistant and extremely portable, weighing in at just under a pound. The speaker also has physical touch controls on top so you play or pause your music and adjust the volume.

Ring Video Doorbell with Indoor Camera

Ring Video Doorbell with All-new Ring Indoor Cam

Ring Video Doorbell with All-new Ring Indoor Cam $ at Amazon

4.6-star average rating from 174,508 reviews on Amazon

Lowest price ever

This bundle includes Ring’s Video Doorbell and the latest iteration of its indoor camera, which allows you to monitor your space using your phone, tablet or computer and get real-time notifications. The Wi-Fi-equipped cameras pair with a companion app, so you can see, hear and speak to visitors. The devices are powered by a built-in rechargeable battery and work with Amazon Alexa voice assistant.

Google Nest Thermostat

4.2-star average rating from 12,721 reviews on Amazon

One of our favorite smart thermostats, the Google Nest thermostat has many energy-saving features, including both automated and manual temperature control through the Google home app. Google also will send you notifications, monthly energy usage reports and more.

Google Nest Thermostat

Google Nest Thermostat $ at Amazon

Best Prime Day sales under $100

Here are the best Amazon Prime Day sales under $100 that we think you should know about. Keep in mind, not every item from a brand is discounted as described below.

1. Up to 60% off popular fiction books

2. Up to 54% off Fire TV streaming devices

3. Up to 50% off Waterpik Oral Care

4. Up to 50% off Blink smart home doorbells and cameras

5. Up to 45% off Shark floor care and air purifiers

6. Up to 42% off Sony headphones, earbuds and portable speakers

7. Up to 40% off Peloton Bike, Bike Plus, guide, accessories, and apparel

8. Up to 40% off premium skin care from Laneige, Innisfree and more

9. Up to 31% off Ninja air fryers, blenders, cookware and more

10. Up to 30% off Braun electric razors, epilators and stylers

11. Up to 25% off Casetify phone cases and accessories

12. Up to 20% off Ruggable

13. Up to 20% off Quip dental care

14. Up to 20% off Otterbox phone cases and accessories

Prime Day: Best sales under $100 at other retailers

1. Walmart: Up to 60% off electronics, kitchen appliances, outdoor items and more through Oct. 12

2. Kohl’s: Up to 60% off bedding, 40% off electronics, 30% off select toys and more during its Deal Dash event through Oct. 11

3. Macy’s: Up to 60% off clothing, shoes, bedding, kitchen essentials and more

4. Casper: Up to 50% off sitewide, up to 25% off mattresses and 25% off bundles through Oct. 24

5. Nordstrom: Up to 50% off shoes, clothing, beauty and more during its Limited Time sale through Oct. 10

6. Buffy: Up to 40% off sheets, comforters, pillows and more

7. Solawave: Up to 40% off sitewide through Oct. 12

8. Sur La Table: Up to 35% off Le Creuset items

9. Brooklyn Bedding: Up to 30% off sitewide using code FLASH30 through Oct. 11

10. Cozy Earth: Up to 30% off sitewide and 35% off bundles using code PRIMEDAYS through Oct. 11

11. Love Your Melon: Up to 25% off sitewide through Oct.12

12. Skinstore: Up to 25% off sitewide using code FRIENDS through Oct. 11

13. Baublebar: Up to 20% off sitewide using code PRIMETIME through Oct. 11

Why trust Select?

Mili Godio is an updates editor for Select who has covered deals and sales for Prime Day, Black Friday, Cyber Monday or more since 2021. To round up the best Amazon Prime Day sales under $100, Godio found discounted products either at their lowest price ever or their lowest price in three months.

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