Use appropriate design
If you must have a blog on Blogger, then consider using appropriate design. Don't make your blog look like a junkyard. I know it is difficult to have a good design for a blogger blog simply because the template is difficult to edit. If you don't have technical skills, consider searching for blogger templates with good looks.
Use a Custom Domain Name
Your blogger blog is already hosted by Google. It will be wise of you if you use a custom domain name for your blog instead. If won't cost you much to register and configure your blogspot URL to a custom domain name. It is very risky to keep using a .blogspot.com URL for your blog.
Start with Unique and Helpful Contents
After setting up a good seign for your blogger blog and configuring your custom domain name, you need to start by posting unique contents that people want. There is no point copying and pasting from other people's blog. It just shows that you are not ready for serious blogging. And if you must copy, make sure you edit it and make it look original.
Also, your content should be written with both your target audience and SEO in mind. Keep your message clear and to the point. Ensure your keywords are used wisely in the header and the body of your text.
Make Your Blogger blog compatible with Mobile Phones
No doubt about it, thousands of people will want to read your unique and helpful contents from their mobile device. You should be ready for this by making your blogger blog compatible with mobile devices. With this, your visitors won't have problems reading your blog.
Finally, don't forget to do your adequate research for starting and for posting new contents on your blog. Don't just start a blog on Blogger for starting sake. You need to keep doing research if you want your blog to be successful. Look up Google Analytics and use Google’s Keyword tool to find what your audience is looking for.
Also, you should read through other Blogger tips that will be useful for your starting a blog on blogger. And if you are also considering starting your blog on WordPress, you can read the post on Things to Consider Before Starting a WordPress Blog