Instant Billing Cost: $85 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Instant Billing: Instant Billing is an add-in program that requires that you first install and configure Instant Quote Professional OR PC Reseller System. Instant Billing allows you to create billing records, with various billing cycles / frequencies, for your customers. From your customer billing records, a batch billing process will search out billing records that are due for invoicing.