This free $10 credit ends this week, go snag yours NOW! OpenSky (a daily deal site like LivingSocial & Zulily) is offering a FREE $10 credit! Invite 10 friends & for each friend who joins, you’ll get a FREE $1 credit, up to $10 FREE! Your friends do NOT need to make a purchase! Sign up for FREE here: OpenSky (once you’ve signed up, click on the “invite a friend, get $1 link”)