You already posted this once. Do not spam the forums. Try it out yourself, that is what magic is all about. Personal experience.
It depends. Follow through these questions:
1. Is your wish realistic? Yes, go to 2. No, go to 3.
2. Do you have the training to make the spell work properly? Yes, go to 4. No, go to 5.
3. It won't work.
4. Do you have the right circumstances? Yes, go to 6. No, go to 7.
5. Maybe it will work.
6. Are you putting in the effort to make the wish come true? Yes, go to 8. No, go to 5.
7. Are you putting in the effort to make the wish come true? Yes, go to 9. No, go to 5.
8. It is highly likely to work.
9. It is fairly likely to work.