The decision to take economics tuition will normally arise when you are struggling with the subject. Whatever examination you have to clear, you need thorough understanding of the subject so that you are able to answer tricky or out-of-context but relevant questions. This is possible only when you have an in-depth understanding of the subject. When looking for an Economics tutor, give more importance to his/her experience and credentials rather than price.
In case you have budget constraints, you can go in for group tuitions. Instead of taking private tuition from a less experienced tutor, it is better to contribute to group teaching from an established and expert Economics tutor.