Macworld Apple’s newest 10th-gen iPad is an excellent tablet that’s hard to recommend at its full price. But when it’s down to its all-time low, we love it: Amazon is selling the 10th-gen iPad with 64GB of storage for $350 when you apply the coupon at checkout, a savings of $99 and matching the best price we’ve ever seen. The 10th-gen iPad arrived late last year as a complete overhaul of Apple’s entry-level tablet. It brought a 10.9-inch display, an A14 processor, a new design without a Home button, and a USB-C port for charging (and compatibility with the new $79 Apple Pencil). The deal is on…