Purchasing the data will give you the current data for the search with all fields requested. It is yours to do with as you see fit, but will NOT be updated, where as any data leased will be updated on monthly bases, but will NOT be provided. It will be maintained by My Support Service Group, and a link will be provided on both the leased and purchased accounts to to allow the client to track the delivery, and downloading of all materials by the prospect. All of our lists are scrubbed every 45-60 days to add or delete inactives e-mails for the benefit of the clients.