I know many people don't like this because it's a redemption deal...
But follow few tips you can never miss a redemption
1. Set up reminder in Google or yahoo calender so you get a mail when you have to send the redemption form..
2. Always send the redemption form via registered postage..
3. Set up another reminder 10 days before you have to send the bill in case if you forget first time or lazy like me...:-)