The Walgreens Black Friday sale begins this Thursday! Are you ready? Print a new Renuzit coupon and save it for the sale! Starting Thursday, Renuzit adjustable air fresheners will be on sale, buy one get one free. According to the Walgreens coupon policy, a coupon cannot apply to an item made free by a promotion. Print one buy two get one free coupon. Buy six. Three will be free from the promotion. Then, the buy two get one free coupon will deduct its maximum value for $1.18. Pay $3.32 total–that’s $0.55 each when you buy six!