There are two main cases making it happen, which are unapplicable payment method and the discount code field containing in your cart at Hike Summit.
Reuse depends on the code type. Some are single-use, while others reset daily or monthly.
Some codes exclude sale items. Always check the conditions before applying.
When you apply the coupon or promo code into the discount field at Hike Summit, the discount will be promptly deducted from your purchase. You will see both the amount of discount and the price after being discounted before clicking to finish the order.
Some platforms offer cashback when shopping through special links. Coupons and cashback can sometimes be combined.
That Hike Summit coupon may expire at that moment. Shopping at Hike Summit and then contact its owner to let them know your issue.
Each option of Hike Summit coupons or deals comes with a detailed description for eligible items and the discount rate. Pick the right choice for your order.