Once you get it if you were to stop selling does it go away? Do you have to keep up a minimum amount of sales/money for the remainder of the time you sell on ebay?
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Yes you have to keep up the 3 or 12 month average to still be a power seller.
If you fall below the the minimum requirements then they will email a reminder that you are at risk in losing your power seller status.
LOL . . . I think almost everybody on aspkin formum has been a power seller at least once in their life . . . I know I have been at least once or twice a every year a ebay account goes POWERSELLER . . . not to mention the once that didn't but deserve it . . . when your powerseller you get a little more consideration like your own 1800 number to call and bug them when they limit you but at the end of the day 3 strikes and your out in the ebay game and sometimes LESS THAN THAT - =o(
Can you lose powerseller status 
