Emergen-C vitamin supplement powder packets are on sale for $9.99 at Walgreens. Use a $1.00 coupon from the Walgreens September Savings Book. Find these booklets located at the front of the store with the weekly ads. Then, use the printable $1.50 coupon below to get a box of 30 for $7.49. At checkout, receive 450 Balance Rewards Points by scanning the Health & Wellness Points coupon on page 16 of the weekly ad. The 450 Points can be redeemed on a future purchase for $0.45. After coupons and Points, the final price is $7.04!