Tips, Tricks & Piano Playin' Resources

What are the important techniques/skills in playing piano?

like is there a special way to hit the keys or pedals and how do you play like those professionals do in concerts?
i do have a piano teacher. i’ve been playing for almost 9 years now and i wanted to know if there’s anything that could help me improve further

The only way you’re going to learn successfully is to get a good teacher. I’ve been playing piano for 13 years, and it’s not easy, especially with no one to give you knowledgeable feedback. The most important thing is to not expect to learn things instantly. The reason people usually quit is because they think they’re learning too slowly.