My opinion:
1.) The basics of the Big Bang Theory might still hold, somewhat, since the stars are still observed to be spreading away from each other. The Big Bang theory would predict that at some point in the past they were all contained at one point, maybe starting with a bang. However, since the stars are not hundreds of thousands of miles in diameter or light years from each other, it would have somewhat of a smaller, gentler 'bang'.
2.) I believe in a Flat Earth because of science, not religion.
3.) Agreed
4.) Agreed