I want to be a concert pianist,but my parentz dont think its a good idea,iz it?

Im a sophmore in highschool and i love piano!!when i play music nothing else matterz!i play by ear..clical music lyk beethoven,mozart etc!!im going 2 start taking serious lessons ovr tha summer!i love performing and i wuld lyk 2 b a concert pianist wen im oldr but im wondering how much it will pay??and iz it a reasonable proffesion?