So I ordered a security camera from Amazon US and as has been pointed out Amazon collects for duty, fees and shipping. If the duty and fees are greater then the amount collected Amazon will pay the extra. If they are less they refund you! I used Mercado Libre once to buy a portable AC....what a mess. You pay Mercado for the Item, the seller ships the item to you, you contact Mercado and tell them your happy, Mercado pays the seller. In my case the seller refused to ship the AC. It took 2 months and a filling with PROFECO to get my money back.