Been years I paid sales tax on any item I purchasedInteresting. Every time I trade in a device, the sales tax refund always gets added to the trade in value. The first time I did a trade in (I always bring my devices to an Apple Store), the rep who was helping me specifically said that I get the sales tax refunded on the value of the trade in. Needless to say, I was pleasantly surprised. This has been happening for the past few years.