I'm not sure but I think Light I the Box now add custom charges to postage fees so you won't have to pay for extra fees. It might be different if you qualify for free expedite shipping. I'll suggest you go on their website and have a live chat with one of the customer reps. They might be in a better position to help. You can trust them

I'm not sure either and they won't tell you. Most don't find out until they get a recipe from DHL telling them they owe a particular amount before their package can be delivered

Sahar, there is custom duty in the USA. You pay it when you pay the DHL bill for shipping the products from China to the USA.