Your better off buy your own web hosting than using blogger. You can set your site up anyway you like and do seo easy for your own website.
If blogger changes terms or shuts down you loose all your work and seo and links back to your website. You can write about products on blogger and link to your site or other sites but you are better off to buy domain name with paypal and have your own cheap kvm vpsweb hosting paypal and use your own cheap wordpress hosting for a blog than a free blogger blog..
