Yes, canceling and changing your reward during the campaign is possible. Modifying your pledge and reward will no longer be possible when the campaign is over. Read this Kickstarter article to learn more.
As mentioned during the Kickstarter campaign, we will start shipping Hestia in December, starting with the Eclipse packs to North America. However, it is best not to expect your reward for Christmas as we will not be able to deliver all the rewards ...
Yes. These taxes will be charged before delivery and depend on the shipping destination. Read this Kickstarter article to learn more about Customs fees.