To enhance remarketing efforts, you can target your audience according to their interest and demographics. It also helps get better rates of conversion by targeting the correct audience. It allows the host to create a list of leads and reach them at any time.
As soon as a person register for your webinar, send them a thank you mail and a confirmation mail. Sending this is not only good manners, but will also help get a confirmation from the registrant side.
How affiliates can take advantage of webinar marketing
Include Q&A sessions and other discussions as a perk for your membership sites. You can also organize paid Q&A sessions for your audiences with you or other experts associated with you.