amazon.COM coupon code

looking for a coupon code for amazon.COM
my orider is $40 but doent qualify for free shipping... ( i guess some things dont)

any coupon codes out there? im horrible at finding them

thx

Are you shipping to up here or somewhere in the US?

i might be wrong ~ but i think they only offer free shipping within states

I need to buy some textbooks from amazon.COM because it's a lot cheaper than .CA. I was just wondering if you need to pay duties or customs?

Depends on the value and how it is imported