No it doesnt you have to buy a gold membership to get on xbox live or you can be a free member but i would recommend a gold membership the 12 month ones are usually 50 dollars.
If you have a Xbox live Gamer profile, you can just recover it on the new Xbox. If you are not online, you will need to buy a transfer cable.
Yes, you only need to find a wireless connection and you can go on Xbox Live.
you need xbox live
you need to have xbox live
how much memory does xbox live need/
An xbox
Yes.
buying a new card for xbox live
No, you do not need the card; getting Xbox Live online works with it too. But, you do need Xbox Live for you to go online, if that's what you were wondering.
No. You will need to register and buy Xbox live.
Yes, you can use your Xbox Live account on your new Xbox One.
you need xbox live because if you dont have it you cant get the download to get the new wallpapers and demos and other things oh yeah and the new look is just like the wii so be prepared for the download!