X, it's really not a good idea. Cartilage is thicker and even when done by a professional can get easily infected and it's a very long healing process. A lot of people end up taking it out. Try YouTube,good luck!
To pierce your own ear, you need to get a sterile piercing needle. Wash your hands and use isopropyl alcohol swabs to clean your ear. Wait for it to dry and stick the needle to the ear and press it. You need to know that piercing your own ears can be hard. It is better to have it done by a professional. You can however get some tips on http://www.wikihow.com/Pierce-Your-Ear.