It is good to get to grips with the basics first. It took me years to get to the point where I am now, and still lost in the dark sometimes. It is also better to find out stuff by yourself than just inserting tgc's or opening tgd's by others, while not exactly understanding how they work. Though it's also good to examine tgd's by others and see how they got to a certain point. There are plenty about, also in older threads, using the search button and scouring those old posts will yield a fine harvest of learnable stuff. Read, read read. That's what I used to do. Gather bits and pieces here and there, examine, test derivates, combine.....