As a course developer and promoter, I can say that on the face of of it, promoting can be easier than developing one. The upside of development though, is that once it’s done, have to do is keep it updated and it can earn you money for years. That’s the case with my SEO copywriter training course, which I’ve been teaching (and earning from) since 2009.
Use the Google Keyword Research Tool to break down your chosen niche into more specific niches. Weight loss is a popular topic, but it is too broad. People want to lose weight for many reasons: vacations, weddings, summer, the new year, birthdays, and other special events. Choose a specific niche, such as "weight loss for summer" or "weight loss for weddings."
Affiliate marketing is often touted as a "get rich quick scheme" by shady sites offering pyramid schemes that promise quick cash for little effort. Make no mistake—successful affiliate marketers like Pat Flynn of Smart Passive Income put in a lot of effort toward building an audience and creating quality content that will bring in sustainable passive income. Expect to do a lot of legwork up front—but if you play your cards right, you can build a solid source of revenue over time.