Yes.
Yes, you can use your Xbox Live account on your new Xbox One.
You are allowed to create another account if you obide by the Xbox LIVE Code of Conduct and Xbox LIVE Terms of Use.
No, I do not think this is possible. Plus, I'm sure it would corrupt the data that is the original one for account b and then use account a's Xbox Live data. Not only this, I know it's impossible to have save-data and other stuff used on another account when it's account a's information.
Yes Xbox live is accepting paypal as a current payment for u.s. citizens
Yes, once you have xbox live you can download Netflix for free and set up an account or use a preexisting one.
You will need to go on the Xbox website. From there, you can create a Xbox live account or use an existing account and input a Xbox live membership.
No, with the original xbox, you bought a starter kit to get on xbox live. That will not work 4 the 360. ware do you git you git the 2 moth
No, original Xbox controllers do not work with the Xbox 360, so any games you download from Xbox Live Marketplace will use the Xbox 360 controller.
Yes, you are not required to have or use an MSN account in order to use an Xbox 360, either offline or using Xbox LIVE.
On you're Xbox when you start it up it will ask you to sign in. Sign in using the info you used to actually create the account.
I think you do have to pay for the xbox live, however it will need to be by credit card on the official xbox site. but i do think that the codes are interchangable between original and 360. however you cannot directly use a xbox live 360 code on the original xbox, you will need to redeem it on the xbox 360.
there is nomore xbox live on old xbox onily on xbox 360 and if you play xbox live on the 360 you can use 2 players 1 w/xbox live and 1 w/no xbox live