I want to purchase a .com domain for my blogger. If i purchase a domain and host it through blogger. Will it be considered as paid hosting as google is providing web space for my domain ?
Of course not... your domain would be hosted for free on Google's servers! You would need to use some paid-hosting plan to consider it as that. Only thing that would be paid is a domain name
So, Is it better to use own domain for blogger rather than blogspot address ? Even if i use my own hosting a/c then also i want to avail all those features by blogger like adding post, managing post, using themes, adding widgets. Can i do that ?
Yeah you can purchase a domain through Google. Under your settings for your blog, you will find where to setup a forward to the new address. It is better to use an actual domain instead of the subdomain you have. It is under $10 a year for a domain, so I would go for it. Eventually maybe switch to Wordpress so you can manage the settings and SEO better. Wordpress has a lot more freedom when it comes to a blog, in my opinion.
Well.. We can say that Google's server is the best server ever. So.. its better to set up a custom domain and start blogging on Blogger.com Whateva Blogger cant strike Wordpress...