Call of Duty/Halo/Gears Power Leveling on XBox360!

I am a COD5, Gears, Halo Addict!!!!!!!! I want to earn money and am offering to level your acc if you pay me.
It will depend on how far I level it but I will go far (play all day).
Since im a leecher, I will go first for a couple untill i get vouches. Then we will see who goes first.