There are several free ways to promote CPA offers or Clickbank products. These are just a few.
1. There is always making a YouTube video providing a review of the product or service. Put your link in the description box
2. You can join forums related to your niche and post you affiliate link in your signature. Make comments on posts or start your own thread. The more valuable your comments the more traffic you links in your signature will get.
3. Create a Facebook Page like this one centered around your niche and invite all of your friends to like the page.
4. Create a Weebly or Blogger Blog and write seo optimize articles around your niche. Finding low competition keywords will drive organic traffic to your site.
5. Create a Twitter account and follow people in your niche. Tweet useful quotes or advice to gain followers then start promoting your affiliate links.
6. Craigslist and Backpage are places you can promote as well.
7. Create a 2 to 3 page informational guide with your links included and give it away.
8. Join Facebook groups in your niche and post your links there.
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