Amazon Prime Day 2021: All the deals that are actually worth your time [Day 2 Update]

As expected, the pace of new discounts has slowed, but we've still found good deals on recommended indoor security cameras, 4K box sets of the Lord of the Rings and The Hobbit trilogies, the latest Spider-Man game for the PS4/PS5, and more.Further ReadingThe best Amazon Prime Day 2021 deals under $50 we can findUpdate 6/21 5:35 pm EDT: After another sweep of our Prime Day deals roundup, we have struck out a few expired offers, updated prices, and added a few new deals. Those bargains include premium OLED TVs from Sony, well-reviewed air purifiers from Blueair, Blue's popular Yeti microphone, and Samsung SSDs we like, among other discounts you can find below.Further ReadingA range of good Garmin smartwatches and Fitbits on sale for Prime DayUpdate 6/21 12 pm EDT: We've added our first batch of new discounts, headlined by the return of a deal we highlighted a couple weeks back: those who buy at least $40 in Amazon gift cards can get an extra $10 in Amazon credit at no extra cost. This deal matches the lowest price we've seen at a major retailer.Further ReadingThe best early Prime Day deal gives $10 Amazon credit with a $40 gift cardGet $10 promotional credit when you spend $40 or more on select Amazon gift cards: Amazon briefly offered this promotion in the lead-up to Prime Day. As before, you can get a bonus $10 in Amazon credit when you spend $40 or more on certain Amazon gift cards or an existing gift card balance, be it for yourself or others. If you're mainly cooking for one, the 3-quart Instant Pot Duo Nova is on sale for $50.Further ReadingThe Ars Technica ultimate holiday gift guide 2020Amazon Kindle Paperwhite (8GB, ads) ebook reader for $79.99 (normally $125): Prime Day typically brings loads of deals on Amazon-made devices, and this year is no exception. A version without in-built ads is on sale for $100.Amazon Fire TV Stick 4K HDR media streamer for $24.99 (normally $45): Though we consider Google's Chromecast the better streaming stick overall, the speedy Fire TV Stick 4K becomes a much better value proposition at this deal price, which ties the best we've tracked.Further ReadingThe Ars Technica Father’s Day 2021 gift guideSamsung Evo Select (256GB) microSDXC card for $25.99 (normally $33): We've recommended this Class 10, U3-rated microSD card in the past: it's not the fastest option on the market, but it's still quick and reliable enough to comfortably hold Switch games or other media.