Have an external email account. However, in case of emergencies, we will need an alternate plan for communication. Actively and persistently communicate with the instructor. Willing and able to make weekly progress on the course work. Prepared to spend an adequate amount of time to complete the work for the term.
Online courses are generally more time consuming and complicated than other modes of instruction.
Procrastination is an online students worst enemy. If you get more than one week behind the schedule, you are not likely to be able to complete the course. Remember without facial expressions some comments may be taken the wrong way. Be careful in wording your emails. Use of emotions might be helpful in some cases.