HeleneWallis:
Looks like that's not how it works. Oh well. Thanks anyway.
Try this for size --- Lets assume that your store has 1000 products. Let us also assume that you have 4 shipping zones.
If I am reading your needs correctly, this means that you will need to enter 4000 different prices for shipping. (1 price per product, per zone) - That is a lot of data entry, and since shipping rates tend to change every 6-12months, that is also a lot of maintenance.
On the other hand, the standard zone rates module has options so that you can base the zone rates by weight, price, or per item basis. If you have 4 zones, you basically need to only enter 4 different prices. These 4 prices, in conjuction with the 'Weight, Price or Item' settings provide a means to provide similar results to what you are seeking, with a lot less effort and maintenance.
Your proposed method has another shortcoming - if your shipping costs are based on the product, it means that your customers would never benefit from combined shipping. The costs will be purely additive. Some merchants prefer this, many others prefer to offer combined shipping to help increase sales. Customers prefer combined shipping.
Furthermore - most shipping companies charge by weight - so this being the case, by using the 'by Weight' method in the std zones module (and giving your products accurate weights) will provide good quotes to all customers in all zones, no matter how many (or how heavy) the individual products weigh. No need for you to enter the theortetical 4000 different costs that would negate any combined shipping.
So, please ask yourself again - is what you say you want really what you want, or are you just going to be making a lot of work for yourself with no real benefit? I suspect the latter.
Cheers
RodG
NOTE: We are sorry that Rod is no longer with us.
We are grateful for all his contributions to the Zen Cart community.
Ozpost - The Ultimate Shipping module for Australian Merchants. Click these links for its Homepage, or Download from Zen-Cart.com.