Clickbank is a market platform for vendors (product creators) to sell their digital products. Such products could range from ebooks, downloadable resources/programs or online membership sites. On the flip side, it’s also a place that widely attracts affiliate marketers to help these creators sell their products, essentially giving them a source of free publicity and advertising in exchange for a commission fee on every sale.
An affiliate marketing program is a lot of work, and in most situations there's a lot of competition so you're not going to be bringing in money immediately. Business owners and entrepreneurs suppose that all you need do is setup a site and choose an affiliate to associate with and then just let it run its course. But according to Three Ladders Marketing, only 0.6% of affiliate marketers surveyed have been in the game since 2013. That means that affiliate marketing takes time and effort to build and make money.
Getting businesses to advertise on your podcast, either at the beginning or end, or both, is a great way to create a revenue through podcasts. Most businesses won’t be keen to advertise on your podcast until you can prove a large number of listeners. Therefore, it is unlikely you will be able to start out from the get-go with sponsors. But once you accumulate regular listeners, or a high number of downloads from iTunes, you can start to sell advertising space on your podcasts.
If my piece of content is so unique and valuable around hiking backpack recommendations, that other reputable outdoor websites are willing to link to it and build the page’s authority, then I’d have a very real opportunity to rank high in organic search for these search terms (meaning, my page will come up first when someone searches for hiking backpacks).