Fulfilment by Seller
   -   When you opt for this option, you have the flexibility to print the shipping label from your own shopify store / shipping carrier account. After printing the label, you can pack your products and hand them directly to your chosen carrier by directly fulfilling from Shopify. 
   -   This option allows to sync orders
   -   This option also allows to fulfil orders directly from Shopify

Fulfilment by TikTok
   -   When you opt for this option, it restricts you to print labels only from TikTok Shop. After label printing, you'll prepare your products for shipment and initiate the collection request within the TTS, subsequently allocating the package to the carrier assigned by TTS. 
   -   This option doesn't allow to sync orders
   -   This option doesn't allow to fulfil orders directly from Shopify

How to setup "Fulfillment by Seller" (For US Shops)
1. Go to Seller Center > Shipping > Shipping Options

2. Choose Seller shipping as your preferred option. 

How to setup "Fulfillment by Seller" (For Non-US Shops)
1. Go to Seller Center > Shipping > Shipping Options
   -   Enable "Shipped by seller" toggle button. Once enabled, it'll allow to smoothly sync orders.

2. Ensure the Sales Information of your product is correct
   -   Confirm that the delivery option is set to either Default or Custom - Shipped by Seller.

Please Note: 
  - Keep in mind if you enable "Shipped by Seller" option then you can only use the shipping providers mentioned under the shipped from seller section.
  -  It's important to note that any changes you make to the shipping or delivery options will only apply to future orders; your existing orders will remain unaffected.
  -  Please contact our support team at support@quicksync.pro for any queries.