Because this deal will knock you off your feet! Prime Day has slashed a massive 40% off this 70-inch Samsung 4K TV and you can get it for a mere $598 right now. So, instead of paying $998 for this massive TV,

The Roku Streaming Stick 4K is now available for $35 -- which is $15 off and a 30% discount -- even before the Amazon Prime Day sale event has officially begun. The Roku Streaming Stick 4K is one of CNET's favorite streaming devices, making this a worthwhile deal on a quality device.

The Samsung TV has a list price of $1,645 but is now on sale for just $797: That’s a whopping $848 off, or 52% off the regular price. It’s rare to see a premium TV like this dip below the $800 mark, and it’s a clear sign that Amazon is pulling out all the stops for this sales event.