The Caro-kann is a very solid defense, and is successfully used by GMs.
I've invited you to a group which explores some main lines of the Caro, if you're interested.
Alternate response to 1.e4
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It's quite hard to find a first move without very much theory. The only opening i can suggest is the scandinavian with d5 and after the natural ed5: nf6. I played that in about 20 normal chess games and never had trouble in the opening. You wanted to know if the caro-kann is good. That opening has one decisive problem: it is very hard to get an equal game. In most cases you wont get big problems in the opening but if don't play perfect white is a little bit better due to his greater activity.
thaks guys
I played the Caro Kann for close to a year and I got frustrated with the Advanced Variation where white just pusheds all his pawns down the board and attacks on the kingside and there's not a whole lot you can do about it because you're always way behind in development. That's why I gave it up for 1...e5 2...Nc6. It's obviously okay, because it is still played by tons of IMs and GMs (Alexey Dreev comes to mind) but I always found those positions tough to play as black.
Caro Kann c6 or French e6. Both have advantages and disadvantages. With the French you play a solid game, easier and faster to castle, solid set-up, but you have to know how to handle your temporarily stuck French bishop.
C6 Caro Kann doesn't contribute to the castling, bit slower to castle, usually little space disadvantage but a very solid structure, nice chances to counterattack
French is bit trickier, more complicated in general in my opnion, Caro-Kann is bit more open and simple. Try both and see which works better for you. I suggest to stick to certain openings at the beginning and learn from mistakes, get better, don't give up on a particular opening because of a lost game, but always learn from it and get better at them.
I've been reading Daniel Lowinger's book on the ...Qd8 Scandinavian. He calls it "simple and strong", and makes a good case for it.
e6
dpnorman wrote:
I played the Caro Kann for close to a year and I got frustrated with the Advanced Variation where white just pusheds all his pawns down the board and attacks on the kingside and there's not a whole lot you can do about it because you're always way behind in development. That's why I gave it up for 1...e5 2...Nc6. It's obviously okay, because it is still played by tons of IMs and GMs (Alexey Dreev comes to mind) but I always found those positions tough to play as black.
Have you ever considered this line against the advanced?:
1.e4 c6 2.d4 d5 3.e5 c5!!
Some say this is a little shaky, but in my opinion it actually gives black great chances for quick development and equality. It's similar to the french, but I like it more because you get to develop your light squared bishop actively. If you haven't already completely changed your mind about the caro, I suggest you try this out. 
I don't care much for the Caro-Kann, I usually play the Sicilian, which I respond to as white with either the Najdorf or Alapin (or sometimes a littlw Wing Gambit or Smith-Morra Gambit...)
a6
@jposthuma I have never for the life of me understood that line. I would appreciate if you could explain to me what you like about it. Black often has to play ...e6 and block in his bishop and in the meantime he's down a pawn and still has no space. If I want that sort of position I'd rather play a French- at least then I don't sac a pawn.
Is there a good logical opening, that has limited theory that is a good respone to e4 thats not e5? is the caro cann good>