There are three different things happening on amazon: #1 Amazon selling third party products. #2 Third party sellers selling their products. #3 Amazon sellin

There are three different things happening on amazon: #1 Amazon selling third party products. #2 Third party sellers selling their products. #3 Amazon selling their own products. You're pointing out that #3 isn't necesary, and that's true, but my point is that #1 is necessary and is how every store starts, then they might expand into #2 and #3.