I saw a webinar a few years ago with ClickBank University and to tell you the truth I was very impressed. But like you said what I realized was that they are really expensive. Nevertheless, many members have said how ClickBank has made them some really good money. I agree with you, the Wealthy Affiliate University platform has the best online training by far.
Has anyone ever told you you have a voice for radio? Are you great at creating original characters with just your voice? There are tons of people looking to pay for quality voice overs for their corporate videos, animation series, or educational videos. Check out Fiverr and UpWork or create a profile on a specialized site like Voices.com or The Voice Realm to get started making money online doing voice overs.
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 ..