500+ competitors, and all of them are looking for various things. Some are looking for that elusive pro card, to enter the IFBB Ranks, and establish themselves as one of the highest honors in bodybuilding, figure, fitness, etc.
Some are looking for fame, to get that magazine cover, to get into the pages of various magazines, and so show many, including themselves that they did look good, and made it to the Nationals.
Some are looking for a supplement company, or other companies to sponsor them, or have them work with them via ads, booth work, and much more.
Does it work?
Sometimes - there are many people that that look for someone new, someone different, someone who looked good for their magazines, for the booths.
You never know. There are people who scout for talent, for their booths, magazines, contracts and much more. I know a number of people who will get various pictures into the magazines, some work at expos and even some that will be hired eventually of supplement companies.
Is it worth it? Depending on how you did, how you feel.
To many it is...