I got the code via dm. I actually submitted mine after your cag post (thanks to you and others for the heads up). I went with the first thing that came to mind, a Billy Madison quote.
I now have $30 on my account just from credit giveaways like this and the random $5's hidden in emails.
This won't expire, will it? I hear people talking about expiring account balances, but I think that's for amounts redeemed from rewards?
It says in the message that it expires 90 days after redemption.