Quote Originally Posted by webskipper View Post
Google says it timed out.

We timed out waiting for your server at https://american-rc.com/shoppe/googl...nsehandler.php -- the error we got is: Read timed out Your server must respond faster to merchant calculation callback requests.

Is there something that I can change? Thanks!
One thing: Be sure you only have the shipping options configured that you plan to use. The more options you have listed, the longer it takes; the more likely you will get timeout errors.