You can use the Shopping Help to purchase items from Apple Store that are not part of the latest product lineup (eg. AirPods 2, iMac, iMac Pro, Apple Watch Series 5, iPhone 11, iPhone 11 Max, iPhone 11 Max Pro, MacBook new, iPad new, Home Pod).There are certain exceptions for such gadgets as iPod, iPad (old version), Beats by Dr.Dre, and latest headphones. For smartphones and laptops there is a limit of one item per order. As for headphones, smartphone cases, iPod and iPad, it is possible to have one main device and an additional accessory for it in one order.