They don't affect how the invoice is added or posted. This means you can experiment with different invoice options to choose the ones you like best. Q. How about the client who wants to see everything and then some. The invoice disclaimer can also be preprogrammed here. This disclaimer is copied to every new invoice, where is can be further modified for a specific client billing.
Advances are billings made to a specific job ticket before any costs have been added.
Think of it like the client's making a deposit on the job. Later, the advance billing can be applied as a payment to the job's final billing. Unlike advances, retainers aren't job-specific. Once a retainer is billed to a client, it can be applied to any of the client's job billings. Retainers, on the other hand, are considered income.