You might be asking "is it possible to hide the blog's sidebar and create a full-width page"? I'd say YES! Continue reading and learn how to do it. You may also visit my other post about how to make a static page as your blog's home page (instead of the blog posts feed).
Step by Step:  How to Hide Sidebar in Blogger and  Create a Full-Width Page1. On Blogger dashboard, go to Template > select Edit HTML
3. Below that code, add the following code to hide the sidebar:
So it will look like this:
4. Change the [ PAGE-URL-HERE ] to the link of the page that you set as the home page (or any specific page where you want the sidebar to disappear). In my example, I command the code to hide the sidebar when the page http://thedreamnovel.blogspot.com/p/welcome.html was loaded.
5. Change the [ width: 860px ] depending on the width of your website. In my example, the full width of my blog is 860 pixels.
It should look like this now:
Questions? Comments? I'd love to hear from you! :)