Surely yes, balardi's birthday is a special occasion for customers to enjoy a bunch of great discounts, and attached are valuable gifts you can miss out on.

Of course not, most coupons may be used only by you when you received them directly from balardi. As the balardi coupon includes your User ID, it cannot be resold or transferred in any way.

Usually, Coupon Stacking is not allowed at balardi. However, the store will surely give out notice if available.

Yes. Coupons for each Discount Event of balardi will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

Yes, it has ever. It may not be available now, but it is completely possible for loyal customers of balardi to get it by tracking all of its promotion programs.