Dishing on saving $5 off of $25 purchase (coupon)

It is raining drugstore coupons!!

Take the CVS Flu quiz and a get a $5 off $25 printable coupon.

It is reported that you can take the quiz again and get a new coupon too. Expiration dates are rolling

As an added bonus here are the answers:
1) up to 70%
2) True
3) True
4) All of the above
5) 200,000

And don't forget to pick up the $100 coupon book located at the pharmacy.