I have learned how to buy or purchase a domain through blogger and have my blogspot blog redirect automatically to the domain that I purchased. I will try to explain this as best as I can through this post.
This is for those who have blogspot.com blog and wish to get their own domain name through blogger instead of buying the domain from other sites that sell domains. The advantage is blogger will set up the domain for the one who buys the domain. Blogger will also automatically redirect the blogspot blog to the new domain.
If this is what you need to do here are the steps: