[url=http://www.slate.com/blogs/xx_factor/2014/02/28/dana_snay_s_facebook_post_cost_80_000_by_violating_confidentiality_agreement.html?google_editors_picks=true]Dad had settled an age discrimination suit with his former employer and one of the conditions of the settlement was that he and his wife not discuss the matter or amount with anyone.[/url] So what does his daughter do? She posts about the money and settlement on FB and her father loses the cash. So, other than standard things (such as food, medical care, schooling and other expenses) what is the most money that you've ever "cost your family" by doing something foolish?