if i were to win the 800 mil loto today i plan to rebuild my old plantation high schools basketball gym(class 2008). on or off-site. NBA style. ticket booth. locker rooms. cushion fan seats. top line consession stand. high tech. nba hanging score board and shot clocks. top of the line rims and backboards with the buzzer led lights in them. high tech locker rooms, trainers rooms, coaches office, ect.
I applaud your good intentions but I would not invest any more time and energy into that question until you have actually won that kind of money. I am also sure that a construction company would not sit down to give you an estimate beyond the statement of “a whole lot of money”.
In the meantime, read this article on your chances of winning the lottery http://www.huffingtonpost.com/ronald-l-wasserstein/chances-of-winning-po…. And here are some suggestions what better to do with your money. http://www.kiplinger.com/article/saving/T047-C011-S001-5-better-investme…