Now click on your blog posting link (Press This by default in WordPress). If you're using WordPress, you should now see two pieces of link code in your posting form, the first one ending with "Associates Build-A-Link >< /a >". Delete through that point. The second part is a link to the product with your Amazon Associate ID built in. Now just write your product review, choose the appropriate categories for it, and hit Publish.
If you're serious about making money online, start a blog. Blogging is one of the easiest and most sustainable income sources. As long as the blog is setup the right way, in the right niche, with the right content targeted at the right audience, and the offer is complementary to the content, you could make a tremendous amount of passive income from a blog.
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.