The best October Prime Day deals under $100

Amazon’s second Prime Day event of the year, Prime Big Deal Days, is well underway, offering you yet another chance to save on everything from headphones to robovacs in the run-up to Black Friday. And while many of this year’s best deals are reserved for 4K TVs, laptops, and other big-ticket items, there are still a number of great bargains available for anyone who’s looking to spend under a hundred bucks.

Below, we’ve rounded up a…