Creating an invoice

How you prepare an invoice depends on the terms of your job contract. Common types of invoice methods include:

• Set price (usually a small and simple verbal contract)

• Cost plus, or time and materials (to charge for time and reimbursable costs)

• Fixed price (usually a contract requiring a certain amount to be paid when a certain percentage of the work has been completed or when a milestone has been reached)

• Progress (invoicing in stages, based on estimate)