Join a few Facebook and/or LinkedIn Groups about your course topic or about a related topic that your target market is interested in. Pay attention to the questions that members are asking in these groups. If someone is publicly asking for feedback or help with a specific problem, you can bet that other people in your target market have that problem as well.
As we’ve been saying, shorter is better. If you can’t get your domain name down to one memorable word (almost impossible to come by these days), then consider adding one or maximum two more words. Combinations of two words work great for the memorable names like LifeHacker.com or GeekSquad.com. Also, don’t use an acronym. People will never remember the letters unless it’s a highly catchy name.
BoFu: Bottom of Funnel sales funnels are for hot traffic. The prospective customer likes you if they've made it this far. They are ready to buy. Typically, this is a sales funnel page where you offer a product/service and ask them to buy. In the process of ordering your main product or service, your sales funnel with present a variety of other offers to increase the order size. For example, order bumps, upsells, downsells (if they don't accept the upsell). Sales funnel templates make setting these up easy. Website Sales Funnel Secrets to Triple Your Profits