1. You need to set up a cart in the online store, checkout consists of 4 stages .In the first stage we learn the name and soap of the client + there is a field for entering a discount coupon, then the choice of delivery, payment and thank you for the order. 2. In the category and subcategories add non-standard subsections Tekst ukryty (additional parameters are added in the product card , according to which the result is displayed) 3. Connect online payments, this system https://money.yandex.ru/doc.xml?id=526147