As of October 2026, a company in South Korea can open an Amazon.com seller account without a US LLC. A US LLC adds state costs ($890 in year one in California), an EIN and a yearly Form 5472 with a $25,000 penalty for not filing. Form one when your stage needs it.
Read MoreA 3PL is an outside company that stores your stock, packs and ships your orders, and handles returns. As of October 2026, Amazon suggests adding one past 10 orders a day, and a 2026 industry survey puts pick and pack at $3.21 per one-item order. More channels, retail and returns are other signs.
Read MoreTo price a product for the US, start from landed cost, not your home price times the exchange rate. In our example, a $5.00 product costs $7.00 in a US warehouse after freight, duty and customs fees (as of October 2026). Your price must clear that cost and still match what US shoppers pay.
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