In this economy, what makes you think that a 14 year old has a good chance at striking a job? Even so, I'm not even sure what jobs are out there for 14 year olds
OP: Here is the way I look at this. You already have an iPhone, and you have an iPad. While its nice to have the latest things, its not always necessary or economical. Why don't you just sell your iPad, keep your iPhone and buy a laptop. You probably won't need to bring your computer to school, but I still think its good to have, especially over an iPad because it will be more useful.
And why do people go and call iPad a luxury device? It's a toy. It's just like any other iPod or iPhone. Not necessary, but nice to have.
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OP, I'm not trying to tell you how its done, but are you seriously applying for jobs just to keep up with the latest electronics?

You should be focusing more on grades and stuff for college, than trying to work a job. I don't know, but it seems like a pretty young age. I think I would go crazy if I had to work a job now. I don't plan to work for a while lol.