If you pay tax, the chances are that you're paying too much of it.
Whether you've never claimed a tax credit, or you've never even thought of opening the Revenue website because it's scary, there are savings to be made that could really make a difference in your pocket.
Mairead O'Driscoll is The Tax Nerd and she wants to help everyone understand how to make their tax work for them.
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Mairead joined Dermot and Dave to explain how to go about changing the way you look at your taxes, and answer questions on everything from claiming working at home expenses to claiming on college fees.
You can hear the full chat below:
