For Duties Delivered Paid (DDP) Orders: Duties and taxes may be included in the price depending on ship to country. If not included in the price, they will be shown at checkout.
For Duties Delivered Unpaid (DDU) Orders: As the customer, you are liable for all import duties, customs and taxes levied. Payment of these is required to release your order from customs on arrival.
Also FOB, CIF Oders: Import duties, customs and taxes are required to release your order from customs on arrival.
As we know, some countries have a certain amount of duty-free imports. For example, USA has 200 dollars.