Emergen-C is buy one get one half off at Walgreens, through 4/7. Today I was able to find the Vitamin D and Calcium packages on clearance for $4.99. I bought two and the second package rang up for half off. If you can find this clearance price at your store you’ll pay just $3.74 for each box!

Emergen-C Vitamin D and Calcium Supplements, 30 packets (Reg. $9.99) $4.99, Clearance Price
Buy One Get One 50% off, Through 4/7

Final Price: $3.74 each when you buy 2