12 surprisingly useful Amazon gadgets under $50 to buy before Prime Day

Amazon's early Prime Day deals include discounts on some of the most useful gadgets you'll buy this year. Whether you're shopping for Father's Day or treating yourself, you can save on everything from a tire pressure gauge that's 47% off to a Bluetooth meat thermometer that's down to $38 and a rechargeable neck fan built for summer heat. READ MORE: When is Prime Day 2026? Amazon reveals the official dates and the best early deals Coffee mug warmer: $23.99 (40% off) <a hr...