After making a purchase, when can I use my AIR SP? ⁠⁠When I make a purchase, where do I get my AIR SP? How does the tier system work, and what are the different benefits? What happens if my tier expires? Can I share my AIR Shop benefits with friends or family? Can I delete my account? Who can I contact for support? How does AIR SP work? What is AIR Shop? How do I join AIR Shop? What are the different membership tiers?