He Brings His Own Guests to Your Wedding
If a prospective DJ invites you to another person's wedding, watch out! Sure, it'll give you a great idea of his disc-jockey skills, but it will also show you what you can expect at your own nuptials -- skills and extra guests included. It doesn't matter how great his song selection is, you don't want random groups of strangers to show up at your reception, snack on the catered food and start mingling with your guests. No DJ is worth that.