Can you name one? I was on ebay, jet.com, walmart, staples, newegg, etc. Anywhere there was a third party marketplace system I was on there. All of the non am

Can you name one? I was on ebay, jet.com, walmart, staples, newegg, etc. Anywhere there was a third party marketplace system I was on there. All of the non amazon marketplaces I sold on combined were a rounding error on my Amazon sales.