When is the membership fee charged? December 18, 2020 21:18 Updated The membership fee will be charged alongside your last payment of each month. Related articles How much is the membership fee? Flex didn’t pay my rent this month, will I still be charged the membership fee? If I’m on a payment plan do I still get charged the membership fee each month? How do I cancel Flex? What is the cut-off for rescheduling a payment? Comments 0 comments Please sign in to leave a comment.