I am using the WordPress Ultra Simple Paypal Shopping Cart plugin. When a user clicks checkout it takes them to paypal where they enter their zipcode and paypal should configure the shipping costs. Its asking for zicode to ship to but once you click calculate it keeps saying shipping is 0. I know this is happening because no weight is being transferred between the site and paypal.
How do I add the weight to my shortcode? It is only transferring product name and price to paypal.
Right now I am using: