For Amazon, shipping costs are calculated during checkout directly on Amazon. Shipping costs are setup within your Amazon Seller Central account.

In general, the process for products to be accepted on Amazon takes from a week to three weeks depending on the readiness of the product.

The shipping option that shows up on Amazon invoices in the all sales view depends on the shipping service your customer selects at checkout.

Since this is completely controlled by Amazon, questions on this are best directed to them. Amazon provides a significant amount of information on the Buy Box, how to win it and how to keep it.

Yes, you can withdraw sales on Amazon listings by going into the Marketplaces > eBay and Amazon > Performance > Open Listings view.

Amazon buyers will checkout through the Amazon checkout process directly on Amazon's site.

Product detail, including price, that is changed in your inventory will be sent to Amazon to update the new information on your product listing within 1 hour of change to inventory information.

Amazon does not currently provide a way to bulk export inventory data from Amazon Seller Central.

Order information is retrieved from Amazon within 5 minutes of being made available by Amazon however they have to be cleared by Amazon's fraud check first which are subject to a 90 minute hold and ca

Amazon charges sales tax based on the location of your business in the settings section of your Seller Central account.