One of the most important internet marketing strategies is to develop every customer's lifetime value. At least 36 percent of people who have purchased from you once will buy from you again if you follow up with them. Closing that first sale is by far the most difficult part -- not to mention the most expensive. So use back-end selling and upselling to get them to buy again:
If you are an expert on a particular niche topic and can assemble some of the best resources on it from around the web, then you can create topical hubs and get paid through sites like HubPages. You'll earn even more money by creating your own niche site, though. Established topic sites have a built-in supply of traffic and tools to make content creation easier and are among the most profitable online business ideas. Once you've established yourself as an expert within your niche, you'll be able to make money from a combination of ad revenue, affiliate fees, and more creative avenues like online courses, other digital products, and one-on-one coaching fees from others who want to learn directly from your expertise.
High-ticket consulting or coaching: You could sell your own high-ticket consulting or coaching products from your website. You'll still need a website, merchant account, sales funnel, lead magnet and many other items. But you can easily earn a substantial amount of money from each individual customer, making it well worth the arduous setup required.