Prime Big Deal Days has begun today on Amazon, and if you're shopping for iPads this season there are quite a few notable sales available for select tablets. This includes $100 off nearly every iPad Air and iPad mini, plus $50 off the entry-level iPad. M4 iPad Air Note: MacRumors is an affiliate partner with some of these vendors. When you click a link and make a purchase, we may receive a small payment, which helps us keep the site running.