In order to convert on affiliate sales, make sure there is intent for purchase having to do with your post/topics. Then, make sure that your offers make sense for your audience! Really try to solve a problem or help them with something.
Don’t just sell to try to make money!
Once you get some decent traffic, look at your analytics and see what pages are popular on your site, but have high bounce rates. These are optimal spots to provide your reader an incentive to stay – make a great opt-in incentive that matches the content on the page.