In-store only, Walmart offers a selection of Rain-X items for $6.97, as listed below. Redeem this rebate to cut the price of each to $0. (A $20.91 maximum applies for the value of all three products.) Deal ends June 30. The items, with prices before discount:
-- Rain-X 32-oz. Waterless Car Wash & Rain Repellent for $6.97 (pictured)
-- Rain-X 23-oz. 2-in-1 Exterior Detailer and Water Repellent for $6.97
-- Rain-X 23-oz. 2-in-1 Spray Fast Wax and Water Repellent for $5.10

Note: A one-rebate limit applies per household.