The primary advantage of constructing your own portfolio is that it allows you to build a presentation that is tailored to your needs from the standpoint of visual identity, your particular work, and even your budget. Beyond this, designing and building your own book reflects your ability to create and concept from start to finish, including the ability to craft your own book. While your goals may not necessarily be a print-oriented career, the fact that you can concept and design through a variety of forms, including a book, will reflect positively on your skills as a creative.
Finally, the portfolio book itself is a way for you to distinguish your portfolio from all of the other presentations. At ...