Loyalty & Membership

What is the AMS Rewards programme? How many AMS points do I earn? How do I redeem AMS points? What can I redeem AMS points for? How do I check my AMS points balance? Why are my AMS points not showing? Can I combine AMS points with my membership discount? What is AMS Membership? What is AMS Plus? What is the difference between AMS Membership and AMS Plus? Is the membership discount applied automatically? Does AMS Membership or AMS Plus apply to pre-orders and sale items? Can I cancel AMS Membership or AMS Plus early? Can I gift AMS Membership or AMS Plus to someone else?