Culture & Criticismwin10 Things Legalized Gay Marriage Could Pay ForBarring same-sex couples from marrying actually costs the government money — an estimated $10 billion over a 10-year period. Here are a few things that cash could buy.By by Anna NorthBuzzFeed StaffPosted on March 21, 2013, 3:42 pmTwitterFacebookLink Data sources: Policy Mic, National Center of Education Statistics, Center for Medicare and Medicaid Services, Tampa Bay Times, Social Security Administration, Fox News, Small Business Administration, Office of Management and Budget, Dept. of Defense, Center on Budget and Policy Priorities.