If the price is less than or around $1, you need to consider the

來源: FHZM 於 2009-11-06 12:19:31 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (43 bytes)
回答: Never done your line of products. But you can research 由 FHZM 於 2009-11-05 20:45:24

If the price is over $5, 500% is very good.

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