If you’ve been waiting for just the right time to buy a new tablet, your moment has arrived. As part of its Prime Early Access Sale, Amazon is discounting every iPad model, with many at all-time-low prices. You’ll need to be a Prime member to get the best prices on most of the sales here, but you can easily sign up for a free trial. Here are the best deals for every iPad model Apple sells: 12.9-inch iPad Pro (128GB): $899 ($200 off)11-inch iPad Pro (1TB): $1,249 ($250 off)iPad Air (64GB): $520 ($79 off)iPad mini (64GB): $399 ($100 off)10.2-inch iPad (64GB): $269 ($60 off)Our favorite here is t…