Thank for sharingWant to clarify the details.
mode 1. dynamic by zone, country, post code, store point?
mode 2. You mean exchange product free?
Post automatically merged:
for shipping
V1.7 - Shipping cost by Zip, Postal code, Country, State, City Module v3.1.0
Features Ability to сalculate the shipping price based on the formula with Cart Total and Weight variables Customize Carrier rates by its name Customize shipping rates based on destination Customize shipping rates based on cart weight, subtotal Supports zipcode numerical ranges (e.g...www.nulledfrm.com