I do combine shipping within the United States as follows:
1-6 magazine ships for $6.99
7-20 magazines ship for $13.99
20, or more, magazines ship for $19.99 no matter how many you purchase.
No local pick up.
International shipping is as follows:
Shipping to Canada & Mexico is $26.99 for the first magazine & $8.00 for each additional magazine.
Shipping to all other countries is $33.99 for the first magazine & $12.00 for each additional magazine.