One of the most powerful marketing tools in the world can also be a great tools for growing your craft business! Be sure to keep those current customers happy so they will tell their friends who will also become customers. Things like "refer a friend" discount coupons can help spread the word. Be sure to give the person referring the friend a discount as well as the new customer when using these types of promotions. That way you can increase your new clientele list as maybe increase repeat sales at the same time!