I'm not sure this works on all games but on Halo 3 you can have multiple players using Xbox live guest accounts enabling you to play online with them. However they will not receive achievements.
The simple answer is yes, assuming the other person has not put a password on the account, and you do not know said password.
It depends on how long of a membership you want...a 3 month xbox live membership is just $19.99 where a 12 month xbox live membership is $49.99...
it is pretty much the same thing. Gold membership it a type of Xbox Live membership and has a charge.
With an a Xbox Live membership I think so, without a membership maybe not.
Yes, a membership is required for Xbox Live features to work for the console and account.
xbox live membership allows you to play online games and comunicate with your friends
no
yes your membership will go with your profile but you cannot go from xbox to 360
Well first of all, did you buy a Xbox Live membership card? If yes it will on the back of the card.
It depends on the console. I play on XBOX 360 and that requires a XBOX live membership and a working access point.
Yes you can, but you have to buy an gold Xbox live membership.
you get the xbox live gold membership from game shop eg. (ebgames,game,jb-hifi) etc.
No. You can wait several days, weeks and months without using a Xbox live membership.