Actually it seems they place the order for you, i.e. not using your Amazon account at all. In other words it's a proxy service, except instead of paying a fee f

Actually it seems they place the order for you, i.e. not using your Amazon account at all. In other words it's a proxy service, except instead of paying a fee for the proxy, you actually pay less, and they make up the difference through optimized ordering habits. Very interesting.