12 Tips on Shipping Rewards — Kickstarter.

Thinking of fun, imaginative rewards is a must for every project creator, but so is planning how you’ll ship them. There’s no perfect way to calculate what your exact shipping costs will be, or where most of your backers will be located, but it definitely helps to do some research before you launch your project. We’ve pulled together a list of tips from Campus, posts written by creators, and a few other places to help you get ahead of the shipping game.

Read more.

Good overview and links to previous estimates and more. Shipping will make or break just about any company or Kickstarter, stay frosty.