Note: THE $20 CREDIT WILL JUST SHOW UP WHEN YOU PUT SOMETHING IN YOUR CART.
Here is another opportunity to get a $20 credit and score some free goodies. GiltGroupe, which is another daily deal site, is offering a $20 credit. And the credit is good toward shipping. The shipping is $7.95 so if you find something priced at $12 or less you can get it for completely free. You can head over here and sign up to get your free $20 credit.
I found this cute dog collar that is priced at $10. So, my checkout looked like this:
Note: You will still need to put in a credit card number. In past deals, people have used a gift card with a small balance on it instead of their credit card or debit card.
(thanks dealyo!)