This week is the last week for the buy two get one free first aid promotion at Walgreens. Buy three Benadryl Itch Relief Sticks for $3.49 each. Use one $1.00/1 printable coupon and one $1.00/1 newspaper coupon at checkout. The Benadryl coupons have a limit of one per person, so use the printable and newspaper coupons together to get the best deal. The final price is $1.66 each!