If you are looking for a good guide to Battlefield 3 then you might want to check out BF3 Dominator! This guide claims to take you from a noob to a pro fast and it gives you the strategies that you will need to start winning.
The game is aimed at teamwork and that means that you have to know your classes well and make sure you stay up to date along with the maps and the strategies being used so you don't get left out.
Another thing that you will need to know how to do if you need to be the best at the FPS game is make sure you know how to make use of and customise your weapons.
You can do this by obviously searching around the web for information however we suggest if you need to start dominating the game and make sure you don't get left behind that you check out BF3 Dominator.
You will have a complete guide to this online game and it even features HD videos and written guides so you will actually see the tactics on the maps used and start working the right path up the leaderboards.
If you feel that you're getting owned online and shouted at all of the time for messing up your team then check out the full BF3 Dominator guide in the link below and start out dominating: