Not sure if it is worth it if you're not sure, BUT if you are, then definately. Do it, you'll love it, as so many of the threads on Pprune are testament to. You will meet your best friends, have the best time, in whatever aircraft you end up on, and drink more than you ever thought possible
Yes, it's difficult at the moment, and doubtless becoming more so, but if you want it enough you should go for it; otherwise you'll only think "what if". Work hard, play hard