This is not a viable option for you. There are things you need to know on CUE!
Where will you grow? What mediums will you use? What nutrients will you get? How long do you let the germination stage go for? If you are growing inside what are the differences in light that will change from vegetation to flowering... What is vegetation and flowering? If you are growing outside when should you put your plants in the ground so the stages will align properly with the natural light?
What will you do if you get spider mites, what will you do for co2? What will you have your light timer set to 18 or 24?
These are all things you should know instantly without question... like 2+2
You are uneducated and under capitalized. If you really want to do this, buy this book
http://www.amazon.com/Cannabis-Grow-Bible-Definitive-Recreational/dp/1931160589/ref=sr_1_1?ie=UTF8&qid=1296830635&sr=8-1
read it from cover to cover 3 times, then come here and ask any questions you might have.
If you want straight up advice, don't ever do anything without knowing the ins and outs of it 100% or you're setting up yourself for failure. And in this scenario might cost you more than you can perceive @ 18 yrs old.
I don't want to be judgmental but this isn't something you can chat about with your friends at lunch period. You need to keep your mouth shut which there isn't a high school kid in the world that can do that. With the questions you asked, told me instantaneously you are not suited for this.