Hi,  I am not aware with any such app. I have few questions, if you are interested, be can develop plugin for you.  1. Are you on Shopify Plus ? (If no, then sorry, even if such app exists, you will not be able to use)2. Let say customer have items i...

At https://apps.shopify.com/fare-freight  we can help you for depo collection. Currently our app support AU based carriers. We can integrate freight carriers in CA. PM me for more information.

Try Synkron https://apps.shopify.com/synkron-1With the help of bundle SKU feature you will be able to achieve your needs. 

Hi @Erikc Possible to share your URL ? We created app called Synkron which may help you to stock level of variant. We have feature called Buddy SKU and you can define buddy or duplicate SKU which inventory sync should happen. Buddy SKU is used to syn...

Do you POD suppliers have API ? If so, Custom APP will be your solution. Put logic on Custom app based on your need.   

if you are using Shopify Plus, this can be easily achieved via Shopify Function. 

If you are open to give a try for beta tester, I would love to offer our app.  Synkron (https://apps.shopify.com/synkron-1) - Multi channel inventory sync app You can define bundle SKU in app and when item is sold on Amazon ,  bundle quantities will ...

Few questions before I can suggest anything  1. Which Amazon region you are selling ?2. I am assuming your Amazon SKU = Shopify Bundle SKU  If you are selling on Amazon UK region, you can use our app Synkron (You can create bundle SKU and its compone...

Our app Synkron currently support Inventory sync Shopify to Amazon Asia region and Other Indian platforms. Would to integrate Amazon USA and Walmart CA.  Let me know if you are interested to become beta user for Synkron. Our app is dedicated only for...

You are looking for just inventory sync or product sync as well ?

May be initially create Draft order and add charges by Freight. Then send full order for payment.  

May be develop Shopify App ?

Hi, I understand this is old thread. I had client for whom we did custom app development. We had mapping of product and availability in location. So when customer go to checkout and we receive rate requet. We check products and find out nearest wareh...

Hi @Natureshop  @Tholomew  @Handsonworkshop  @Tholomew  @Pam_Honey  I understand this post is old. I just wanted to give an idea if it works for you guys. And if any one of you are on Shopify Plus, that will be great.  We had similar problem for USA ...

I am not aware if you can render custom shipping method. But yes, you can write your own app that can give you custom rates at checkout.