How can I earn $20 for referring a friend? Head to the “Invite Friends” section of your account and you’ll be asked to enter the email address of your friends. They’ll be emailed a link to use to set up their accounts. Related articles When do I receive my $20 referral credit? How much referral credit can I earn? Where can I see my referral credit? How do I apply a promo code to my account? How can I contact you?