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Rating Newest Oldest. Best Answer: Xbox Live time stacks up to 36 months worth. The only times they don't stack is in the cases of trial amounts, like 48-hour cards, or the free month offered to the first 3 new Xbox Live accounts made on a system. Source(s): Personal experience.
Costs to Consider: If you're new to Xbox and are excited to sign up for your Xbox Live Gold subscription, there are a few things you should know. Here are some Xbox cost factors to consider: Xbox Live subscriptions are $59.99 for 12 months, $24.99 for three months, and $9.99 for one month.