Check out this RARE printable coupon for $1.50 off one box of Well Beginnings Diapers. This is the Walgreens in-store diaper brand which I have heard great things about.
You can combine that coupon with a few other discounts to grab a good price on diapers:
Buy2 Well Beginnings Diapers, 42 ct $8.79, regular price (quantity will vary according to diaper size)
Buy One Get One Free through 12/13
Use (1) $1.50 off one box of Well Beginnings Diapers
Final Price: $7.29 for two packs of diapers
And be sure to check out the rest of the Walgreens deals before you go!