The closer the customer, the cheaper the shipping
The first basic scenario: the closer the customer is, the less they have to pay for shipping. Logically, the cost of delivery within one city will be less than from one locality to another. This is a classic scheme that is used in the vast majority of online shops. However, it can be modified: make the cost of delivery slightly lower than your competitors. You will be paying a little extra for the customer, but such a step can help to increase sales. All things being equal, customers will buy where the cost of the entire purchase including delivery is lower.
The lighter the order, the cheaper the delivery
The essence of this approach is to differentiate the cost of delivery depending on the weight of the purchase. Suppose one customer buys a computer and another only a keyboard. In the traditional approach, both will pay the same amount for shipping. If you introduce gradation, the customer buying the computer will pay more, for example 10 euros. Against the total purchase price, the delivery fee will not look large. Similarly when buying a keyboard. If a person has to pay 1 euro for its delivery, he will not consider it expensive. Customers will be more loyal to such delivery prices. Due to this you can achieve an increase in the number of orders.