Webinars are a powerful way to sell. And I've made a lot of money not only with live webinars, but the most money comes in from webinar replays. We're going to stipulate here that you have a topic that someone wants to hear. And you have something to sell related to that topic. It is possible to sell an unrelated product just from doing a great webinar that proves your expertise. But it's much harder and you probably won't sell as many as you would if the product was related to the webinar.