In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

Discount codes don't stack. If you have 50% off discount, they can't also use a "free shipping" coupon since Only one discount at a time can apply to a single order at the b2s site.

Yes, it has ever. It may not be available now, but it is completely possible for loyal customers of b2s to get it by tracking all of its promotion programs.

Shoppers can get coupons for their first purchase at the store. However, it is not all the time, sometimes, they cannot apply a discount on items selling out or items not contained in the promotion program. It depends on the time you shop at b2s.

Gift Cards from b2s are usually offered on major discount days or to loyal customers. If available, it will be shown. Let's check the coupon list.