Crest Pro-Health mouth rinse is on sale for $2.99 this week at Rite Aid! Clip and use two $2.00 Red Plum coupons to get two bottles for $1.98 out of pocket. Then receive 100 Plenti Points ($1.00), equal to $1.00. Redeem Points on a future purchase as cash value. The final price is $0.49 per rinse!