Flex allows you to schedule your monthly payment into two smaller payments, giving you greater financial flexibility. Full monthly rent payments are provided to the property by Flex on the 1st. Sign up is available directly in your RentCafe resident portal and is reviewed for approval by Flex. Flex charges a monthly membership fee based on the amount of the credit line that is approved. The monthly membership fee is up to $14.99. A bill payment fee of 1% of your total rent is also charged, additional card processing fees apply when using a credit card.