There are many benefits to becoming a PMI^® member. Here is a list that I have compiled for your information and to hopefully give you a good overview of the advantages of becoming a PMI^® member. For more information and more details you can always visit the benefits and types of membership page on PMI's website

1. Save on Certification Exam Cost
   PMI^® Membership = $129 (including $10 application fee)
   PMP^® Exam Fee for members = $405
   Total cost for Membership and Exam = $534 (Member cost)
   PMP^® Exam Fee for Non-members = $555 (Non-member cost)
   Even including the membership fee, you save $21 overall
   Refer to the PMP Handbook for more details
2. Free Online Access to Project Management Books
   As PMI^® member, you get free (online) access to over 250 Project Management books with free membership to books24x7.com
3. Free Copy of all PMI Standards
   As a PMI^® member, you are entitled to a free copy of all the 11 standards that PMI^® publishes. Members can download the PDF version from the Library of PMI Global Standards. The standards include:
   Projects
   • A Guide to the Project Management Body of Knowledge PMBOK^® Guide 4th Edition
   • A Guide to the Project Management Body of Knowledge PMBOK^® Guide 4th Edition translations (PMI^® offers the PMBOK^® Guide 4th Edition in ten different languages.)
   • A Guide to the Project Management Body of Knowledge PMBOK^® Guide 3rd Edition
   • Construction Extension to the PMBOK^® Guide 3rd Edition
   • Government Extension to the PMBOK^® Guide 3rd Edition
   • Practice Standard for Earned Value Management
   • Practice Standard for Project Configuration Management
   • Practice Standard for Work Breakdown Structures 2nd Edition
   • Practice Standard for Scheduling

   Programs

   • The Standard for Program Management 2nd Edition

   People

   • Project Manager Competency Development Framework 2nd Edition

   Organizations

   • Organizational Project Management Maturity Model (OPM3^®)2nd Edition
   • The Standard for Portfolio Management 2nd Edition
4. Access to Specific Interest Groups (SIGs)
   You can join PMI Specific Interest Groups (SIGs) depending upon your area of expertise and interest. SIGs help members with common interests and industries to come together and share ideas, challenges and concerns across geographical boundaries. There's a $15 or $20 fee for each SIG membership. Many of these SIGs conduct free webinars for their members that can be used to earn PDUs for PMP^® Re-certification.
5. Benefit from your Local PM Community
   After becoming a PMI^® member, you may join a local chapter, which can connect you with a local network of professional expertise. Local PMI^® chapters provide a good platform for learning from experts, information exchange with peers, and professional networking.
6. Free PM Magazines, Newsletters, Journals and more
   Members also get free subscription to:
   • PMBOK^® Guide CD-ROM
   • PM Network^® - PMI’s monthly magazine with the latest news and trends
   • PMI Today^® - PMI’s informative monthly newsletter
   • Project Management Journal^® - PMI's quarterly research journal
   • Leadership in Project Management - An annual publication devoted to enriching leadership skills
   • PMI Community POST: A bimonthly electronic newsletter
   • Online access to information resources with PMI Marketplace and Virtual Library
   • Online access to business and project management books and articles with eReads & Reference
7. Gain Leadership Experience through Volunteer Opportunities
   Serving as a volunteer is not only an opportunity to earn Professional Development Units (PDUs) but also to gain valuable leadership experience.
8. Access to Research Studies
   The PMI Online Research Community allows visitors to exchange research ideas and share knowledge. In this area, you can post research announcements, find experts, search articles and research, and participate in threaded discussions.
9. Access to Career Development Programs
   PMI^® also offers a host of career development programs, including:
   • Career Headquarters - A Job Database to find new jobs online
   • PathPro^® - PMI's Career Development Framework, which provides tools and resources for identifying your skills, competencies, strengths and weaknesses and helps you carve a career development path.
10. Discount on Books, Software and other Merchandise
    Discount on all PMI^® published books, softwares, articles, research papers, and other merchandise. You also get discounts on PMI's:
    • PMI^® credential exams and renewals
    • SeminarsWorld^® and eSeminarsWorld^SM educational opportunities
    • PMI Global Congresses and Research Conference attendance
    • Research and reference services by PMI Virtual Library staff
    • Project management publications, products and training tools through the PMI Marketplace