You can sometimes find free comic books on some websites that offer promotions or limited-time free access. But be careful, as not all sources may be legal or safe.
Yes, in some comic book storylines, Batman has faced near-death experiences or has been written as dying, but often there are plot twists or resurrections.
Batman's age varies depending on the specific comic book storyline. Sometimes he's depicted as being in his mid-30s, while in others, he could be older or younger.
The number of Batman comic books is vast and constantly changing. Publishers have been releasing them for decades, so it's impossible to give a precise count. But it's safe to say there are many hundreds or even thousands.