Review Upcoming Offers
You should always check your account at least once a day to check on any new offers and review your profile calendar to plan in advance for upcoming promotions.
Unless the sponsor requested a live promotion, then you should be able to produce the content BEFORE the launch date.
Review Offer Details
Be sure to go over the basic promotion and add-ons included with your offer so that you know everything you need that will help you provide the most valuable exposure.