It is only paid after you have successfully sold an item. When you ask yourself, should I sell on eBay or Amazon, whether you have an eBay store is key. If you don't have an eBay store, you pay a 10% fixed fee. ... Now, to work out the answer to question of should I sell on eBay or Amazon, you need to Amazon's seller fees.
Amazon Sellers, Sell On Amazon, Selling On Amazon
Amazon Sellers, Sell On Amazon, Selling On Amazon