For a limited time, Southwest Airlines is offering new Rapid Rewards members (their frequent flyer loyalty program; free to join) up to 2,500 points just for registering and signing up for their email newsletter!  Register through this promotional page here. You will receive 2,000 points just for registering. An additional 500 points will be awarded to your account if you sign up for the Rapid Rewards email newsletter and stay subscribed for at least 3 months. The Southwest Rapid Rewards program has always been free to join, but this little bonus…… (click read more!)