Married couples—newlyweds, same-sex couples and those whose earnings have changed dramatically in the past year—often have the same question about the most cost-efficient ways to file their taxes. Number one: Should we file married jointly or separately?
Parents of adult children, particularly high income earners, often wonder whether to claim working children as dependents.
Other filers want to know the tax consequences of selling a home or paying for a relative's education. Viewers sent us their questions on Twitter, Facebook and via emails.
CNBC's Sharon Epperson asks tax expert Elda Di Re, a partner at Ernst & Young for answers.
(Read more: Famous American faces slapped by the taxman)