The DOZ catalog offers various type of marketing tasks, which difficulty varies a lot.
DOZ Experts have are given a certain amount of time to complete a task and are required to hand it in by then. Easy tasks such as a Facebook post should be completed within a day. Longer tasks, such as eBooks and white papers require research and a lot more work.
Note: time is deducted from the moment the tasks is accepted by an Expert and not launched by the Client.