Is ClickBank still a profitable business?

Yes,Clickbank affiliate marketing is a profitable online business if you know affiliate marketing. Most people who begin with affiliate marketing start with clickbank products.
Affiliate marketing is one of the easiest ways to make money money. It does not requires you to create your own product,vendor has done all the work for you.

There are more than 10,000 products on Clickbank that affiliate can promote, and I know many affiliate who are making more than $10,000 per month by just promoting Clickbank products.

If you are new to affiliate marketing, you can check out this step by step online training program. You can sign up for a free account to check it out.