I'm a bit confused and not sure what to charge for shipping cookies per dozen.
I've seen some who charge one flat rate no matter how many dozen ordered, but how would that work when several boxes (one dozen per box) would cost more than the flat rate, and the seller would lose money on shipping.
Then I've seen one flat rate no matter where the cookies are shipped, but someone 20 miles away might feel like they're paying too much when it's the same cost as shipping to someone 300 miles away.
I got a flat rate box at the post office and the charge is $9.80 for anywhere w/in the US, but I'm not sure if that is the way to go.
Also, the box holds only one dozen.
I ship cookies to my kid overnight. It costs a fortune but that's how I do it.
I ship USPS 2 day priority. If you go to www.usps.com and know the zip code and weight you can calculate what the shipping costs would be.
I ship ups and charge whatever it costs me. I just make sure that the customer is aware of the different options because 2nd and even 3rd day are expensive. Fortunately, most of my orders are in my own state and ups gets there the next day anyway, so its just regular ground. Good luck finding what works for you.