To earn $15 FREE Credit at Fab.com login or register and then go here to get $10, and here to get $5. You can get $5 more in Credit by taking a survey Here. The credit expires February 14.
Update: You can get $5 more in Fab Credit by taking a from this link Here. It may take up to 2 hours for your credit to show in your account.
(Thank You, Matt!)