Have you heard of those programs where you’re enticed with extra goodies if you refer-a-friend to the service your are using? Gifts along the lines of a gift cards, extra points, money or perks? Companies use these all the time to acquire companies, but you can use them to your advantage too to get free money, or goods of value, all while helping out your friend too. Usually these companies make it sweet for the sender and receiver. The dollar value of these rewards can …