You will have to give us the link to Trade Camera .. It did not show up on a Yahoo Search.
In general, only recognized Internet stores like Adorama, Amazon, B&H Photo, Calumet, Ritz and those listed in popular photo magazines like Shutterbug, Pop Photo and others.
Others (usually based in Brooklyn, New York) sell gray market and do not include all the accessories the come with the cameras sold by the US distributors.
You can call the help line of the brand you chose and ask time if "Trade Cameras" is an authorized seller of their cameras.