If you've done a great job setting up your business, I believe your net profit will be something like $.60 to $1.xx per package you process and ship.
You're already saving by using a fulfillment house in each region. You could save a little more on costs by sending the product to the 3PL already picked and packed. If your product is repacked in a mail-ready package that will save some. You could take that one further and send the picked, packe...