http://www.twongo.com/?referrer=20742Here's how it works: For every friend that signs up, you'll BOTH receive $5 in Twongo credit once they make their first purchase!
In order to qualify,
The person whom you refer must be a new member to Twongo.
They must create their Twongo account within 7 days of clicking on your referral link.
The individual must complete a purchase.
Please note that a purchase is not complete until vouchers have been generated for an order. At that time, both you and the person whom you refer will receive $5 in Twongo credits which may be applied toward future purchases.


http://www.groupon.com/r/uu20380079
Same type of online buying and saving website