“Where things can get a little complicated, however, is when you sell your home for a substantial profit, and your adjusted gross income for the year exceeds the $200,000 or $250,000 thresholds. The good news: The surtax does not interfere with the current tax-free exclusion on the first $500,000 (joint filers) or $250,000 (single filers) of gain you make on the sale of your principal home. Those exclusions have not changed. But any profits above those limits are subject to federal capital gains taxation and could also expose you to the new 3.8% surtax.”