Blogging is like a website the only difference between a blog and a website is that a blog is already designed and it saves you the stress of learning web design, programming and HTML.
You have it all ready and served. All you need to do is to give it few touches and you are good to go.
WHAT DO YOU USE BLOG FOR?
The same thing you can use a website for.
1. Use your blog to advertise your products, affiliate products.
2. Use your blog as a billboard where you can review products of different website on your blog. You get paid for this.
3. Put Ads on your blog you can set AdSense ads on your blog and you get paid
GET PAID TO BLOG
There are several sites that will pay you to blog. When there's a reasonable amount of traffic to your site. E.g. bloggerwave
SET UP A BLOG
Visit www.blogger.com to signup for a free blog today.