When you register an account with comgateway, they will create a US address for you, where the items you want to purchase will be shipped to that address. The order of the items will be done via comgateway but putting in the link of the item you want to buy from and click on search. select what you want to buy. either you pay directly to the merchant website and use the US address created as your shipping address or you let comgateway buy for you under their 'Buy For Me' service. There is a live quote to tell you estimated cost based on the weight of the item. There is also a tracking shipment section where you can track where is your shipment, is it already arrived in sg on the way to your shipping address. I had used their service twice when I wanted to buy certain items (toy, jewelry and clothes) from USA. brands like forever 21.