This year, Amazon's October Prime Day sale runs on October 7 and October 8. The sales event will last for two days, and you can expect to see a range of deals on household goods, tech gadgets, and electronics, including laptops, PCs, and headphones. Yes, they often are. As a major US retailer, Best Buy will often launch its own flash deals and sales days to compete with its rivals, and this can mean some worthwhile deals on everything from household items to high-end electronics.