Tips & Tricks: Earn 2,500 Starpoints for Adding an Authorizer User
Through this link, you may be eligible to add an authorize user to your Starwood Preferred Guest Credit Card and earn 2,500 StarPoints.
This offer is valid through September 19, 2016 and each member can only take advantage of it one time.
There is no fee to add an additional cardholder. However, American Express does require a SSN for the authorized user. Thus, it’s an easy 2,500 SPG points.
Hat tip to /r/churning.