Starting up a business on fixing Apple products. Good idea?

I'm only 14 but don't worry it is legal and i'm quite muture, good with business and great with technology. I want to start up a business to fix peoples apple products. I have bought all the tools and screens and i have a supply of other apple bit like cameras and microphones etc. I have also had training so i know what i'm doing and i have built robots and i'm getting my bronze crest award.
I'm charging £30 for a simple screen replacment on an ipod or iphone and my other proces need to be sorted but it is much cheeper than ither companies and getting your product replaced by apple.
What i'm wondering is…
1. How can i advertise this?
2. Can my ICT teacher help me out with a website ir help me advertise in school (every student has an ipad)
3. How should it work? (How would i get the products and send them back but make sure they pay?)
4. Would you trust someone like me to fix your apple product?

4.No.

Forget about starting your own business as nobody will deal with you because you are a minor. If you are as good at fixing Apple products as you say you are, your only hope of making money is to apply for a part time job at your local Apple dealers. They might hire you on Saturday mornings to fix the products if they believe you know what you are doing.

They won't pay you much because you are only 14 years old.

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