You do not have to pay anything else to Florida Car Dealers License beside the stipulated monthly payment. However, each member is responsible for any cost associated with their business. Such costs might include auction fees, advertising costs, paperwork administrative fees, legal fees incurred from your activities etc. Each affiliate used car dealership might impose an "Administration Fee" which is usually between $50 and $100 per retail car sale. This Administration Fee is customary in the used car sales industry and is usually passed on to the customer.