Bags of Tide Pods and Gain Flings are on sale for $4.99 this week at Walgreens. Buy three in a single transaction and receive 3,000 Balance Rewards Points, later worth about $3.00 when redeemed. Use three Tide coupons at checkout. After shopping, earn $0.10 with the MobiSave app for any brand of laundry detergent. The final price? Just $1.96 per pack of detergent pods!