Apple’s second-gen AirPods Pro are $50 off and available at their all-time low price. | Image: Chris Welch / The Verge It’s another holiday, so of course there’s yet another sale — and quite a few, in fact. In honor of Mother’s Day, everyone from Amazon to Fitbit is offering discounts on an array of tech and assorted accessories. Many of these will arrive in time for Mother’s Day, too, so not only will you be able to gift Mom the new AirPods Pro or Kindle, but you’ll save some money in the process. And don’t worry if a pair of AirPods is outside your budget, either; there are plenty of affordable deals on Bluetooth trackers, Lego sets, smart speakers,…