Points not paid out? Really want to buy some games?

Credits are scheduled for deposit based on when you get to at least 5,000 credits pending. If you get to 5,000 between the 15th and 30th, they are deposited by the 15th of the next month. If you get to 5,000 between the 1st and 15th, they are deposited by
the 30th of the month. So if your credits were pending early in December, they will be deposited on the 29th.

If you're getting a message on the Rewards site that your account needs attention, then you would need to post in the Xbox Rewards Questions forum so support can check your account.

The point that I see ice describing is the fact at some point some or groups of people have paid full price for these games. Maybe not you maybe your getting it free cool but someone is pissed maybe many someone's that they paid full price. Hell why buy
anything just wait for it to be free. I could see this free rental service getting smaller a d smaller gradually as more join and ps4 coming out.

As others have said, is this paid DLC? If so, I can really see this being GwG at some point. It really seemed on the 360 GwG they would pick the cheap games with paid DLC so they would at least tempt some people in spending money on the game.

I still haven't even bothered to play this game though, it's more of a desperate purchase in a really, really dry period for me, haha.

Yes and no.

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Some companies still make DLC as an add on. From Software was afraid to add DLC to Dark Souls because they advertised it as a 'full game' and it was - people just wanted more. So they added some more around a year or two down the road.

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Other games really try to tout the season pass right away. Like you said, Assassin's Creed 4 isn't even out yet and it's season pass is being advertised.

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The thing I think is stupid about season passes is that there is really no guarantee you get anything at all. For Borderlands 2, you didn't get some of the DLC even if you had the season pass because Gearbox decided to just say "hey, lets not include this
so people have to pay some more". There is also no guarantee you will even want some of that DLC, some might focus on parts of the game you hated, but you paid for the season pass, so you've already paid for something you don't want. I don't see the point
in that.

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If I buy a season pass, it will only ever be when the game has already had all it's DLC released and I know what I'm getting.

As you found out, Xbox do not accept pre paid credit or debit cards, you could maybe buy a points or live membership code card depending on what it is you want to do.