I can't seem to find a solution after reading tons of problems and answers. I have an item that costs $20 and it costs $7 to ship it. If they buy two it costs another $7, three cost $21, and so on; regardless of where they live. In can't find out how to set this up. If I set the shipping cost to $7 it doesn't increase when the qty goes up. I am using the standard "Add to Cart" button.
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