Since many sellers start selling in amazon UK, and shipping with Royal Mail, and Shipstation is not integrating with Royal Mail's shipping pricing, will be a good idea since they have flat rate prices for each requested service, (price set according for each customer) therefore asking to be able to enter my charges with royal mail on each service to be able to see the shipping charges before shipping an order and eventually be able to download a report of how much the shipping was charged.
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