Hello,
As per your requirement you are looking for a Worpress expert to configure your store so that it can calculate the shipping cost of the products in the cart according to there total weight.
I have few technical queries regarding the project:
1. What is the URL of your site?
2. Do you have the weight field in the products?
3. How are you managing the current shippign cost currently?
As you don't prefer the plugin it can be manually configured but we have to take a look to your current situation of the website that how is the cart managed currently after that we an determine whether plugin is needed or not.
I am providing wordPress based web development services to clients and have developed more than 158 web application/websites, portals using WordPress.
Please give me an opportunity to show our expertise in the same. I would love to discuss the work with you.
Please initiate chat so that we can discuss more & I can Suggest you better.
Regards,
Deepak