Hello, i think it's good idea do something for make ranks, perks and stuff like that in to 1 coupon cause alot players quit the server or the game and they want make some gifts in her's friends without spending extra euros.
Ranks and perks bought is not transferable nor refundable, if you have issues with your purchase you want to resolve a problem with your account then submit a support ticket here: https://www.extremecraft.net/tickets.php