If the value of the gift exceeds $100, you will be required to pay duty. If you have goods you intend to sell in the U.S., they will most likely be subject to duty, unless they are eligible for duty-free treatment under an international trade agreement (GSP, NAFTA, etc.).
Specialization of labor is a powerful force in an economy, benefiting small and large businesses alike. Workers produce more when they occupy specialized roles, so businesses can offer higher quality products at lower prices.
specialization. An arrangement within an alliance wherein a member or group of members most suited by virtue of technical skills, location, or other qualifications assume(s) greater responsibility for a specific task or significant portion thereof for one or more other members.