Sure, you can hire an inexpensive, amateur DJ or get a buddy with an iPod and a set of speakers to "DJ" your wedding. But before you do, please consider the advantages of a professional entertainment company. A professional DJ or Entertainment Director will: Provide you with a written agreement for services Explain all costs up front, and have no hidden or surprise fees Be a member of a certified professional DJ organization, such as ADJA or NAME Be fully insured Have profess