How to buy Domain name in blogger

First : Must you have a blogger account for buy it.

Step 1.
Open the http://draft.blogger.com and login.
Step 2.
Choose the blog settings.
Step 3.
Chooes the Publishing.
Step 4.
Click the Buy one now next to the need a domain?
Step 5.
Type the Address you need and click button CHECK AVAILABILITY .
Step 6.
Click the button Continue to Registration.
Step 7.

Follow that site and click I accept. Proceed to Google Checkout.
Step 8.
Follow that site and DONE!!!

Note : 1 domain name $10 + VISA POS $1 = $11 per one year!