bl on the cut and dw work hard and youll make it nxt year! imo 32edge is bs, makes claims like 8-14 inches . 8.5 inches in one week on an athlete w/e unless i understood it wrong.
I highly recommend joining
VertFreak101 - Welcome to VertFreak101 and buying a program there, check it out Adam and the other coaches he works with know a shitload, theres also specials in which you recieve Adams book which is going to be so awesome

. Its also customized workouts depending on your needs, you get online support from the coaches and they all heaps freindly, im not advertising btw jsut telling you about my expereinces with them

. SO def check that out.
In terms of skills what position do you play/wanna play then you can train most according to that, for skills just do shooting dribbling try play some games agasint ppl better than you so you can learn of them/improve by vsing the best and shit like that lolz.
nwayz GL