Counting the value they get on average from each customer, they should make $10 in profit on each device according to iSuppli, but they'll probably make a little more than that.

"When further costs outside of materials and manufacturing are added in -- and the $199 price of the tablet is factored along with the expected sales of digital content per device -- Amazon is likely to generate a marginal profit of $10 on each Kindle Fire sold," the research firm added.