Buy a cheap Apple lightning-to-headphone adapter and get free trials of Apple TV+ and more

*Save $2.40, plus get free trials of Apple TV+, Apple News, and Apple Music:* Today, if you buy Apple's lightning-to-3.5mm headphone adapter for $7.49 at Best Buy, you not only save $2.40 off its original price of $9.99, but you also get up to three free months of Apple TV+, and up to four free months of Apple News+ and Apple...