Date: [insert date]
I will do my best to fulfill your needs and meet your goals, but sometimes it’s best to have everything stated up front.
You ( [Client] ) are hiring me (Nathan Long) located at [address] to [description of work], (the project) for the estimated total price of [price] as we agreed upon in our previous correspondence. Before I begin working I require a [50%] retainer fee, which amounts to [retaineramount].