Nicely structured single page doc with letterhead, a projected project total (for whatever duration or goal), an itemized break down, iterative milestone comple

Nicely structured single page doc with letterhead, a projected project total (for whatever duration or goal), an itemized break down, iterative milestone completion dates/amounts and “please pay” the next incremental amount due. Wham bam thank you ma’am. Invoicing regularly and clearly is like printing your own money.