Welcome to the Course and Best of Luck. Good job! Homework #1 Done!
Most of the weakness you wrote can easily be fixed by posting hands (analyzing your session). We will start writing feedback to your play. Usually negative feedback will put you into thinking phase and trying to fix all those leaks. It's almost the same as you lose money, you will remember it more than winning part. By this situation it's gonna be that negative feedback you gonna remember and try to avoid them next time.
About analyzing the game, I guess I could provide the easiest steps. Take your most winning & loosing hands and then post them and we will analyze them together.
Hopefully you ain't talking about bankroll management. Since if you have problem with it then you should definitely find a way to fix that. You wont be a good poker player if you ain't even able to fix your BRM. The ABC for poker.
Tight style is usually called playing selected hands. Like following the Starting Hand Chart. Aggressive should be also pretty clear that already the word says how you should be playing. But the problem playing aggressively is that you have to watch that you don't play too aggressive. Find good spots, find good targets. About The tight-aggressive strategy you can read in this article:
"What is the Big Stack Strategy?"
Hopefully you will enjoy the Course. Some points earned.
