Systems and methods of managing payments for services or products are disclosed. Billing system data is extracted or accessed to provide business intelligence and. Visit charges from multiple billing systems can be aggregated to guarantor accounts within or across multiple billing systems and provide a single statement of charges for a given time period. Accounts are accessible online. Accounts can be linked to delegate management authority of a first guarantor's account to a second (manager) guarantor. Visit charges for linked accounts are included in the manager guarantor's statement an online access. Open charges balances can be brokered or transferred to a new asset holder. Pre-determined payment options can be configured by a provider, asset holder, and/or potential asset holder. The pre-determined payment options can include an option for financing a balance. A configurable financing option may enable a guarantor to request terms and receive automatic approval, subject to authorized terms.