If you have an old Fire TV Stick that you’re willing to part with — you can unlock 82% off the latest kit from Amazon. Yes, really. That’s because Amazon has slashed prices across its Fire TV Stick lineup ahead of its blockbuster Prime Big Deal Days sale, which runs October 8 – 9, 2024 and will see thousands of products discounted for those with a Prime membership — or who has signed-up for a 30-day free trial. But don’t head to the checkout yet as Amazon is offering a clever way to supercharge that discount. The US shopping giant will cut an extra 20% off the sale price if you send an old Fir…