An ultimatum is a message, usually over email, that tells the creator (henceforth referred to as 'artist') that they need to deliver something or the customer/commissioner (henceforth referred to as 'you') will retaliate. This retaliation is usually an unsatisfactory outcome for the artist. An example of a very simple ultimatum would be: Deliver my artwork by 2 May, or I will open up a dispute with PayPal for a full refund. For the purposes of this guide, an ultimatum must have the