Sitting at home will accomplish little for you.
Getting a job will teach you tons about responsibility, a work ethic, and of course will provide you with some money.
Someday you'll have to think about paying for your own gas, car, home, and perhaps college.
Do yourself a favour and look hard for a job
I'm 14, and got a job working for a lawncare company this summer. Today, with a high of 99 and a RealFeel of 104, it's gonna be a LONG day of work.
But I wouldn't quit for the world.