No, it is free to make an account.
Pottermore was created in 2011.
You cannot join the Quidditch team on Pottermore.
Pottermore was in beta from July 2011 until April 2012. During this time nobody could register for the site. It opened on 14th April 2012.
Pottermore was announced in July 2011. Beta testers were allowed access from September 2011 with the site due to open in October 2011. However, the opening was delayed and Pottermore was fully opened to the public in April 2012.
Pottermore has no age limit. Those under the age of 13 need to have their parent or guardians permission.
Only for beta testers. Pottermore opened on 14th April 2012.
Although Pottermore was intending to open in October 2011, the opening was delayed until April 2012.
Pottermore opened to beta testers in 2011. The site was officially opened in April 2012.
Some of the beta testers who found The Magical Quill were able to access Pottermore from August 2011. Pottermore officially opened to everybody in April 2012.
Pottermore was due to open in October 2011, but the release was pushed back to April 2012.
You have to wait until it opens in October.