Yes, we can offer installation video,  a link to get access to the video will be sent upon your request via email or live chat.

An order of regular stock items can only be cancelled if it has not shipped. Once the order is en route, it then becomes a return and must follow our return policy listed above.

An order of DIY items or non stock items can only be cancelled if it has not produced, and enjoys no return policy due to the customized-made unless defective problems found.

Actually the costs of products are the same, but the freight and delivery cost differs among USA warehouse and EU(UK) warehouse, so the prices turn out to be different .  The quality is the same. please rest assured!