Watching movies is a gamble. You take a risk every time you buy a ticket at the theater, or queue up a movie from your couch. Will it be worth the 13 bucks? Will it be worth the two hours? There's always a risk when it comes to picking a movie, but there are ways of limiting that risk; like, say, reading a list of the best movies in the genre.
If you like gambling movies give these bonafide classics a whirl.