Step 1) Sign up Here.
Step 2) Once your account is activated, make any small purchase.
Step 3) Within a week or so, you will get whatever the invite-only deal is for that promotion. Once you get that invite, quickly go to the link Groupon provides you and order before they are all gone!
These tend to go quickly! The best way to get one of these invite-only deals is to be registered and then grab them as they are emailed to you or posted here! So get registered NOW!
This particular offer is available every 2 months or so! Another popular deal is the invite-only Starbuck ecard $5 for a $15 card!