as a skater myself, i can tell you the main thing it takes is practice. you dont get good if you dont practice, and you dont get better if you dont prectice. so you need to spend many hours practicing, a few hours a day would be ideal. remember that your not going to learn soemthing right away, it might take you a week to ollie or it might take you a month, but the more you practice the easier it gets
Practice as much as you want/can. If you fall, get back up, don't give up!
Practice makes perfect thats how I got better at playing my Cello!!!
practice, practice, practice.