If you have pop-ups and optins on every page, I would have to think that it would be a lot harder to convince someone to link to it. Especially since the pages where you have your optins (and probably receive the most traffic) are probably the same pages that you have your best content on as well that you’d be hoping to pitch in your outreach campaign.
Some advertisers offer multi-tier programs that distribute commission into a hierarchical referral network of sign-ups and sub-partners. In practical terms, publisher "A" signs up to the program with an advertiser and gets rewarded for the agreed activity conducted by a referred visitor. If publisher "A" attracts publishers "B" and "C" to sign up for the same program using his sign-up code, all future activities performed by publishers "B" and "C" will result in additional commission (at a lower rate) for publisher "A".

Amazon will have you work on micro-projects that require some sort of human interaction. Tasks can include translating a paragraph into English (or another language), rating the search results for certain keywords, or reworking an article. The tasks are simple, and you will be paid a small amount to complete each. But if you do enough tasks quickly, you can make a respectable amount of money.
I think Clickbank is going to be around for a while. Digital information products, membership sites, PDF guides and other information that can be bought and sold on the internet is only going to grow. I give CB a hard time because I work in the internet marketing industry so I see horribly hyped and misleading products all the time, but there were a few goodies I found in my research for this article. I'm not recommending you promote these, but I just thought that they looked like high-value products for the right niche audience.
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I found the course extremely helpful especially as i am a beginner. Lisa is excellent at explaining which is important when you are starting out. She has made me understand the importance of finding the right niche and that to me is where most of us go wrong. I am extremely grateful for a course like this and would like to take this opportunity to thank you Lisa for creating a course that helps others! – Michelle