from the National USABDA site:

BENEFITS TO ALL INDIVIDUAL MEMBERS

One of the greatest benefits of membership in USABDA is simply being an active participant in and supporter of this dynamic and effective leader, promoter and supporter of ballroom dancing.  Many members say that attending USABDA events and association with the friends they make at those events quickly becomes a significant and very pleasurable part of their life.  This applies regardless of age or whether the member is a Social Dancer, DanceSport Athlete or Student.  Other more specific benefits are listed below:

Discounts on Purchases

Use our Friends of USABDA Program to obtain significant discounts on purchases of products and services.

Discounts on Admissions

Attend our fabulous chapter dances anywhere in the country and pay the lower admission prices applicable to members. Each dance usually starts with a one-hour dance lesson, followed by several hours of general dancing.  The typical program includes mixers, line dances, and dance demonstrations.

Dance Information

• Be informed and stimulated by Amateur Dancers, our world-renowned ballroom dance magazine.
• Receive Chapter Newsletters covering local ballroom dance news, including information on places to dance.
• Call our 800 number for dance information on any place in the country. Members use this service when planning business trips or vacations.
• Receive information regarding dance workshops, dance weekends, dance courses, and other special events for ballroom dancers.

Other Opportunities

Attend our National DanceSport Championships that select the amateur couples to represent the United States in the World Championships and World Games as well as the many regional and chapter championships.

• Be a volunteer in our outreach programs. Help others find the physical, mental, and social benefits of ballroom dancing.
  • Provide leadership to dance programs in local colleges and schools.
  • Bring ballroom dancing to the young.
  • Do dance demonstrations in nursing homes, malls and other public places.
  • Help promote ballroom dancing -- bring joy and benefits of dancing to the citizens of your community.
• Enjoy the lasting benefits of ballroom dancing, a great lifetime recreational activity.
• Help us make ballroom dancing grow. Participate in USABDA, the National Governing Body and leader of amateur ballroom dancing in the United States.
   

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Additional Benefits to Athlete Members

• Status as an Athlete Member of USABDA and USA DanceSport, the National Governing Body for Amateur DanceSport in the United States. We are recognized by and member of:
  • The United States Olympic Committee (USOC)
  • The International Dancesport Federation (IDSF), the World Governing Body for Dancesport.
  • The National Dance Council of America (NDCA), the National Governing Body for Professional Dancers and Teachers of Ballroom Dancing.
     
• Eligibility to compete in USABDA organized or sanctioned local, regional, and national DanceSport competitions, as well as the many competitions organized by NDCA members organizations.
• Eligibility to compete in international competitions organized or sanctioned by the IDSF or member organizations in 74 countries.
• Eligibility to participate in USABDA's annual International DanceSport Festivals (IDF).
• Opportunities to dance in team and formation contests as well as theatre arts and cabaret championships.