I was wondering, I've always wanted to apply for staff but I don't know if I have the time. Now, I've always wanted to patrol the server of wrongdoers, but I never got to applying and now I don't know if I even can apply. So, should I apply?
Same as Kimay said, if you think you will enjoy helping out and will fulfill your role in the team properly, why not try?
This decision is your choice. Do not let others change your mindset on this idea, they are not you. If you feel, that you are really ready to apply for something like this then go for it. Nothing is holding you back except yourself. Apply if you really feel you can bring something that can benefit others and the server. Good luck.
Being a staff member takes a non-zero amount of time commitment. A commitment of any amount of time changes how you live.