By LONA O'CONNOR Palm Beach Post Staff Writer Posted: 11:34 p.m. Monday, May 14, 201 An email circulating on the Internet claims anyone who sells a house after 2012 will be hit with a new 3.8 percent sales tax, thanks to an obscure clause in the Patient Protection and Affordable Care Act. A cause for concern? The 3.8 percent tax is real, but it affects only people with high incomes who make large profits on the sales of their homes.