I want to have shipping charges per piece (flat charges per piece).
If the shipping charges are 30US$ per piece, then for three pieces it will be 3 x 30, and if 4 pieces, then 4 x 30.
Please advice how to configure it.
Shipping by rules:
https://alatak.net/en/extensions/virtuemart/shipments/pro-shipment-plugin.html
https://extensions.virtuemart.net/checkout/shipments/advanced-shipping-by-rules-detail