There is no Sales Tax for orders shipped to all States, except for Washington State.
For orders shipped to Washington State, Sales Tax is based on the actual street address where the order will be shipped to (actual rate varies by location - sometimes even next-door neighbors will live in different tax jurisdictions). The lowest sales tax rate in Washington State is just over 7%. So, for all orders shipped to Washington State we charge 7% and will pay the total amount due to the tax collector. For example, the sales tax rate in parts of Seattle is 9.5%. For orders shipped to Seattle, we will charge 7%, and pay the total amount of 9.5% (for this example) to the State.