Just like that you are applying for a real job which you would need to wait on the decision of the manager if you would be accepted or not and it really depends now on your post quality and active participation on the forum because these are the major keys or requirement for you to be selected on their campaigns. Just keep updated to the thread of a certain campaign that you were applying for. Back to topic anyone could really start their own campaign as long they are complete on the things which a sigcamp need.
1. The boss is always right
2. When the boss is wrong stick to rules no. 1