yea LST is great and very easy. IMO theres 2 benefits for that, first is to save space/ control plant size, second and most important is to get as much light that you can to the plant, usually the lower parts.what i do is basically look over the plant and stretch branches away (tie gently) from fan leaves to get more light in or vice versa...
some do this for size and train them to grow very low.. up to you ..
in a new grower but i think it not that difficult. light, air & food is all they need.
once you got that, just listen to your plants and you know what to do.. i actually spend time with them, and i will notice every little change...
so far all is going good (knock x3) ....
good luck with your grow