TCG Mark's shipping logic chooses an eligible shipping method for the package at checkout automatically.
How shipping method selection works
The system looks at factors like:
Card count
Package weight
Package value
Tracked-shipping requirements
The selected method is then attached to the order.
What sellers do instead
Instead of choosing a default shipping method ahead of time, sellers generally:
Keep their seller account active
Keep address details current
Review the shipping method shown on each order
Fulfill the order using that method
Note
There is not currently a general-purpose self-service "default shipping method" workflow for sellers in the standard dashboard. The platform handles shipping method selection at checkout.
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