Tell Them It's A One Time Experience.
You could try to ask if somebody's family, that you are friends with, will take you if they are going at some point. Earn money by selling lemonade, cleaning cars, doing chores/etc, helping people out, etc.To convince your parents to take you to Disney World, you probably have to live in Florida near it, and also be very good to your parent. Also, if a friend that only visits a few times and lives far away comes, the chance of going to a fun amusement park will increase. Just be patient and wait until the holidays like your birthday and Christmas roll around. (There are many different ways to convince them.)
Take a drug test.
If you want to convince your parents to let you take high school classes online, you need to make a list of ideas why they should let you. Including facts about your maturity and ease of taking lessons at home may help convince them to let you take classes online.
Say that you'll promise to take care of it.
Your parents have to give you up for adoption or your neighbor has to take your parents to court and convince the judge/jury they are bad parents who can't take care of you
Telling them you know how to take care of them
If your fat or if you think your fat, tell your parents that you have to loose your weight.
It takes a day to get to Disney World which is 24 hours but the ride to Disney world only takes 20 hours.
Convince them that you will take care of them and do anything for them if they ask
If you mean convince you to get one, you have to be persuasive. Plan out your argument and what positive points you will put out. Let them know you will be responsible and will take care of it well.
by raping them
You have to convince the court that you can take care of yourself without your parents. Chances are pretty high that unless there is abuse or other factors that they aren't going to allow you to leave. You have to convince the court that you can take care of yourself without your parents. Chances are pretty high that unless there is abuse or other factors that they aren't going to allow you to leave.