Refer as many friends as you would like. If 3 of your friends join the club, you will receive a free month upon your next renewal.
To refer your friends, simply log in to your account. Click on the green button "Refer More Friends". Enter in their information and click on the green button "Send Invites To Your Friends". That's it! If 3 of your referrals sign up for the club, you'll receive $20 off your next renewal. It's that simple.