I want to stress how important this is, and how smart you are to do this.
Unless you are sitting in the Slayers house or you are Stephano, most likely you will see the best results by stealing strategies and trying to perfect them.
Thank you for posting this. As a beginner it helps to know explicitly the things you are doing correctly versus incorrectly. So thank you again.
When you are feeling comfortable try to look at pro replays/vods of people beating compositions you have problems with.
I never thought about this before, until your post, but back in the Broodwar days, as a beginner, I used to want to do the cool strategy that Day 9 would talk about on his podcast, or that I would see JeaDong do in a pro game. But of course I would get crushed because I didn't have the knowledge, understanding, and skill of those players that are requisites to pull off those strategies.
But when you are stealing strategies from other lower level players, those are strategies that you don't need great mechanics or micro to pull off in order to get a victory against other beginner players. So it gives you a strategy that as a beginner you can
execute. Which is the exact opposite of my Day9/JeaDong days. Thank you one last time, I will follow your advice.