Black Friday might technically be a 24-hour event, but in reality, it’s more like a month-long affair. That’s because many retailers have already begun their sales, including Best Buy, which is dropping impressive deals ahead of its early sales event tomorrow. Today only, for example, Best Buy is offering the second-gen AirPods Pro with a USB-C for $169.99 ($80 off), which is just $1 shy of their lowest price to date. Walmart is also matching Best Buy’s pricing, though the latter…