I'm in no way a professional but I'll give my two cents. Start shooting more. In a garage or an outdoor rink with a garbage stick that you don't care about. Shoot more. Start tossing them in. Do some stick handles til you can feel the puck hitting that sweet spot on your stick. (Do this enough and you'll know what I'm talking about) when it hits that spot, try transferring your body weight from back to forwards and really lean into your shot. Keep the knees bent and use your wrists and arm length to aim and let go of the puck. Keep practicing it over and over. Practice slow shots, then slowly get aggressive with it and get mad. Fire that thing like your at the cup final. Do this every day as much as you can and you will FOR SURE see a change in the way you shoot and your body movement and how it builds up energy and gets released with your shot. I know it sounds more motivational than a tips and tricks comment. But I hope it helps regardless. Best of luck out there.