Soooo,when you order from H&M , they automatically charge you for delivery. Only by reading small letters, one finds that there is a code for purchases over 30€ - delivery is free
H&M's Mobile Delivery & Shipping Methods – 119 of 656 Delivery & Shipping Methods Examples – Baymard Institute
Amazon.com: H&M Happy Holidays Gift Card- E-mail Delivery: Gift Cards