A method may include receiving data from the plurality of databases for an applicant to be placed on one or more waiting lists with one or more requirements. A user profile associated with the waiting list may be created based on the received data, and may be received from the applicant. An applicant ranking on the one or more waiting lists may be determined based on a match between the user profile and the one or more requirements. At least one of a need or a desire of the applicant may be monitored based on periodic activity of the applicant on the one or more waiting lists. Periodic changes to the one or more requirements may be monitored. The applicant ranking may be updated on the one or more waiting lists, and the updated one or more waiting lists may be synchronized with the plurality of databases.