I am new to internet marketing.i want to start a amazon site.my application also approved for amazon associates. Please guide me where to start.
You can start building your site selling anything from books to video games or from clothing to jewellery. Amazon has all kinds of physical stuff. I'll suggest you learn Wordpress, SEO and keyword research. Also, try out Hubpages, Squidoo or InfoBarrel. You can attach your affiliate code along with the article. Also, check out over 86 resources and this massive guide to make money with Amazon.
I wouldn't use free blogger accounts as you could put a lot of time and effort into it only to have it taken away for no good reason. Hosting is cheap and you can have sites up and running with wordpress as the backend in literally minutes. It's filling it with good content that is the hard part.
Starting with free blogging services is perfectly fine. Many of those services have backup features as well, allowing for backup into other CMS like wordpress Read up more on doing business, understanding what your customer want and Search Engine Optimization.