Running and charging for webinars can be a great way to build a following in your niche, demonstrate that you are an expert in your field, and make a profit. Hosting a webinar can be hard work. They need to first be promoted, provide original and valuable information, and include interactive elements so your audience can ask questions and engage with your topic. However, once you have built up a large blog following, each webinar can be extremely profitable.
Find a profitable niche. Starting with your interests, write down as many niche ideas as you can. Think about topics people might search online. Ideas include passions (like surfing or body building), fears (like spiders or speaking in front of crowds) and problems (like getting out of debt). Do keyword research to see it others are interested in the topic. Find out if a domain name is available that matches the keyword 100 percent. 
Robert said he did an average of 4-6 of these gigs per year for a while depending on his schedule and the work involved. The best part is, he charged a flat rate that usually worked out to around $100 per hour. And remember, this was pay he was earning to advise people on the best ways to use social media tools like Facebook and Pinterest to grow their brands.