"The Knot" Real Weddings Study -- Annual report covering trends in the wedding planning business, including how much couples are paying for typical components of their celebration, such as venue rental, food, beverage service, flowers, photographers, rings, and honeymoon travel.
Thumbtack -- Directory website that helps customers find vendors for a variety of services, including wedding and event planning. Click here to read The Myth of the Wedding Markup, about common misconceptions consumers have regarding wedding costs, along with comparisons to costs for other events.