This is a way to help you create a website for your own product that essentially integrates with Clickbank to make selling this product easier. I think this is a cool idea, and for folks looking to create their own digital product, this would be a worthwhile investment. But remember, you're now paying $47/month for CBU members area ($564 per year), PLUS $594 for the builder. Your yearly cost of business operation just jumped to over $1,000. Also, remember that this might lock your site into their builder, so if you decide to change to outside hosting at some point, I'm not sure how that process goes.
Research individual companies in your desired niche: If possible, it’s always better to become an affiliate directly with a company (if they have an internal affiliate program), as no one else will be dipping into your commission rate. This is the preferred route for most of the prominent affiliate marketers, including Pat Flynn. Unfortunately, it’s also the most work, as you’ll have to do the research yourself to see who offers programs (they’re usually listed in the website footer).
ClickBank represents primarily digital or downloadable products. These typically have high-percentage payouts to affiliates. The commissions average around 50%. You do need to be careful and closely vet all products. There are some great products, some good products, and many crap products. You need to be sure the product and the promotional methods are appropriate for your audience. But ..