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How to limit the purchase to one per customer EVERNot one per order, or one per year, just one time and then they can't buy the trial again.We've had a couple members purchase the trial for the second time. The membership trial is attached to a month...
I've tried some of the suggested fixes under similar titles w/ the same issues but it doesn't seem to effect any change. I'm unsure why my settings have done this to my site. Please help!  
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