I didn't see it in the guidelines page so I'll ask here. Is someone allowed to go into my account to 100% the 30 minute 1000 gs games like avatar, NHL, NBA, etc in exchange for fg?

Its a service however it's not supported if im understanding your question correctly...

illegal to let people to go on your account

Illegal on jsp or Microsoft? I don't see anything on the rules page.

Its the same thing as someone going on ur d2 account to level a charactor for you. It would be a at your own risk if anything, never seen this question here before.

I dont know if its allowed as a service.

This post was edited by jsbb on Dec 8 2014 11:08pm

I don't think there us really no risk seeing as I have no ms points or anything of the sort. I just can't find the games within 30 miles of me. I want to be able to return them back to GameStop when I'm done seeing as they aren't really good games. It takes like 1-2 hours for 3-4k gamerscore because of how easy the achievements are.

This post was edited by Archer on Dec 8 2014 11:10pm

I remember before someone was paying for someone to get camos for him on Call of Duty.
I don't think the thread was ever closed and he did some trades.

Not saying it is legal but sounds like a similar situation.