Buy more than 5 cards and get 2% discount
Buy more than 10 cards and get + 5% discount
Buy more than 17 cards and get + 10% discount
Buy 40 cards and more - free shipping
In total, you can get a 17% discount and free shipping
Before making the payment, "ask for the total amount to be paid", if you do not do it, it will not be possible to grant a discount