I have past due rent on my portal, will Flex still cover my upcoming rent? December 18, 2020 21:18 Updated To have Flex cover your current month’s rent you cannot have a past due balance on your rent portal. If you have a past due balance on your online rent portal, Flex will not be able to cover your upcoming rent until that has been paid off. Related articles Does Flex cover mortgage payments? How do I contact you? How much does Flex cost? Does Flex cover rent payments outside of the US? What is the last day I can sign up for Flex and have my rent paid? Comments 0 comments Please sign in to leave a comment.