Hi, this is invader. I'm here to tell you about a fairly simple version of the Caro-Kann Defense. I learned how to play against this variation as white at my chess school. Here's the opening:

Some people think that f3 is stupid. I'm telling you, that's not it at all. 75% of people playing black in this situation play dxe4, and they eventually progress to a stale middlegame that has almost a 100% possibility to lose. It would be something like this:

However, black does not always lose, and 50% of these games end in draws or losses for white.