alright, here is my advice. First, you need to sit down and think about what you want your act to be about. You cant simply have a collection of tricks, it needs a theme, cohesion, etc. So once you have an idea, play around with it, start scripting and routining an act around that theme with tricks that work well with that. Keep tweaking it, re-order the stuff, play with different presentations and patter. Next, PRACTICE. after you have something your happy with practice it till you know it COLD, can do it without even thinking. Then perform it, go out and try it out on people and see what works and what doesn't. what do you like and what do you want to change. Then repeat the beginning, re-order, re-work and re-try. Then practice and perform again.
your on the right track already thinking about it months in advance. that gives you the chance to do this right. hopefully this helps.