 So what does it cost? Only some gift certificates, which we offer on all of our websites on Friday at 50% off. So promote your store, shop, or business with help from 50-50 Friday and the radio station. But hurry, as our popular 50-50 Friday event fills up quick. Call the radio station today and ask about promoting your business or event on 50-50 Friday. Only from the radio station. Your local family of radio stations.