Honestly, Amazon has rolled out so many excellent deals over the past two days, that there isn't much need to check out other retailers.

But, if you feel so inclined, there are some great bargains to be found at stores like Walmart, Target, and Best Buy. We've spotted discounts on a Roku streaming media player, a Dyson vacuum, a Sony PS4 Pro, and so on. Check out the best ones below. And if you'd like to compare them to the sales at Amazon, head over to our US Prime Day deals guide, which is loaded with over 100 deals.

Best Prime Day alternative deals

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Best Buy

Not to be left out, Best Buy is having a 48-hour sale from 15 July. It has both an online presence and physical shops in the US, too.

• Apple Watch Series 4 for $349 ($50 off): The Series 4 is Apple's latest and greatest watch equipped with a larger display. It also uniquely has fall- and arrhythmia detection features. View the Apple Watch Series 4 deal.

• EcoVacs DeeBot Ozmo 930 for $400 ($300 off): This is a popular robot vacuum that can both suck and mop, and at nearly half off, it's definitely one of those hard-to-ignore deals happening right now. View the EcoVacs DeeBot Ozmo deal.

• Microsoft Surface Pro 6 for $799 ($230 off): Best Buy has greatly reduced the Microsoft Surface Pro 6, a convertible with a 12.3-inch touchscreen, Intel Core i5 processor, 8GB RAM, and 128GB SSD storage. It with the Surface Type Cover, too. View the Surface Pro 6 deal.

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Newegg

Newegg is a strictly online retailer that's holding its own sale the very same days as Prime Day. Here are deals it has that are worth grabbing.

• Lenovo Flex 2-in-1 laptop for $299.99 ($350 off): Convertible laptops are really handy if you're a person who travels a lot. This model is a 14-inch PC with an AMD Ryzen 3 processor, 4GB RAM, 128GB SSD. And it runs Windows 10 S. View the Lenovo Flex deal.

• Sony PlayStation 4 Pro for $350 ($50 off): If you still haven't bought the most powerful PS4 yet, then now is your chance to grab the console, as this as just about the cheapest deal you'll ever find -- even during sales like Black Friday. View the PS4 Pro deal.

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Target

Last but not least there is Target, which is having a two-day "Deal Days" sale over the course of Prime Day. Here's what it's offering.

• Google Home two-pack for $99 ($100 off): Target is matching Walmart's $69 "Summer Savings" sale price for a Google Home speaker, but it's one-upping the retailer by offering the option to buy a pair at an even more reduced price. View the Google Home deal.

• Google Nest learning thermostat for $189 ($60 off): Google's Nest smart learning thermostat lets you remotely manage your home heating by phone or via an assistant. And with this particular deal, you also get a Google Home Mini with your purchase. View the Google Home deal.

• Xbox One S 1 TB Battlefield V Deluxe Edition Bundle for $249.99 ($60 off). This bundle deal includes a 1TB console and digital downloads of Battlefield V Deluxe Edition, Battlefield: 1943, and Battlefield 1 Revolution, plus one free month of EA Access. View the Xbox One S deal.

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Walmart

First up: Walmart. It is offering a Summer Savings sale from 14 July to 16 July -- so about one day longer than Amazon's Prime Day event.

• Apple Watch Series 3 GPS 38mm for $199 ($80 off): The Series 3 is last year's Apple Watch, but nevertheless, it's a terrific wearable, and this is one of the cheapest prices we've seen for it. It has a 38mm size with a sport band and aluminium case. View the Apple Watch deal.

• Dyson V6 Handheld Vacuum for $120 ($80 off): Dyson's are normally so expensive, but they're so worth it. This model gives you 20 minutes of suction on a charge, and you can use it in a range of spaces, like your car. View the Dyson V6 Handheld Vacuum deal.

• Samsung 11-inch Chromebook 3 for $160 ($60 off): Chromebook laptops are great for kids, students, or anyone who wants to cheaply and simply do things like browse the web and check email. This model gives you 4GB of RAM and a16GB hard drive, which is plenty for Chrome OS. View the Samsung Chromebook 3 deal.

• Roku Ultra Streaming TV Box for $69 ($30 off): This is Roku's high-end player with features the Stick Plus lacks, such as the ability to listen to your TV through headphones. There's also MicroSD support for viewing local media. View the Roku Ultra Streaming TV Box deal.