In the Raleigh, NC area mid-to-3/4 high-end custom homes in the 4,000 sq ft area w/ 3-car garage run around $175 to $200 per sq ft including the lot with lots running typically from $100,000 to $150,000. That means the build portion of the cost is typically in the $140 to $175 per square foot range.
Another popular theory is that the Joker is Jason Todd a.k.a. (another) Red Hood a.k.a. (briefly) Nightwing. Jason was brutally beaten to death by the Joker in 1988's 'Death In The Family' storyline. In all honesty, this would be a little difficult to explain: Jason Todd beaten to death by the Joker who happened to be Jason Todd all along.
Originally named the Bat-Man, the character is also referred to by such epithets as the Caped Crusader, the Dark Knight, and the World's Greatest Detective. Batman's secret identity is Bruce Wayne, a wealthy American playboy, philanthropist, and owner of Wayne Enterprises. After witnessing the murder of his parents Thomas Wayne and Martha Wayne as a child, he swore vengeance against criminals, an oath tempered by a sense of justice.