Freebie Friday is provided by Wendi, who blogs at TheFreebieBlogger, where she finds you 100% free items each and every day. Get Rain-X Perfect Dose Car Wash for FREE after this mail-in rebate (up to $10.99). Offer is good on a purchase made between 5/3/13 and 5/10/13 at a participating retailer: Walmart, Advance Auto Parts, [...]