Paper-pack-only shipping is $1.10 per pack in the USA.
Paper-pack-only shipping is $5.99 per pack if not in the USA.
SmartShopper shipping is <shipcost> per unit.
Only show standard ground and 2nd day air for USA orders.
Only show International shipping for International orders.
Shipping options should reflect the above
So if you buy 2 smartshoppers and 1 paper pack in the usa, your options show:
Ground: $21.60 (2x10.5+1x1.1)
2nd Day: 42.10 (2x20.5+1x1.1)
If you are outside of the usa. your options say:
International 155.99 (2x75+[url removed, login to view])
USA [Ground: 10.50 / 2nd Day 20.50]
INT [International SS 75 / Paper pack 5.99 ]