Yes, you can buy products from dubuy app with 0 cost of delivery.
There are 2 types of shipping methods. Self Pickup and Dubuy Delivery.
1-Self Pickup: User's product pickup from Dubai physical store and shipping to user location. Users can assign someone to pick an item and tell them to deliver it. This is the recommended method of shipping because users can save on shipping charges.
2-Dubuy Delivery: Dubuy team will deliver user ordered products through a registered Courier Partner or company shipping team. For this method, the user wants to pay a shipping fee.