I have advised many people to research the family tree and the DNA companies before they decide if the testing is for them. There is always the chance with these tests the results will not show an inaccurate depiction of the family history as the same genetic trait could be from several places while most of these tests show where it is most common.

For me: I don't think it's worth the risk or the $100 or more just to find verify my Y-DNA haplogroup when other family have taken the test.