This guy is describing a "dropshipping" Amazon automation model where you own no products and simply arbitrage products sold by other retailers to send to your Amazon customers.
He is correct that this dropshipping model is not allowed on Amazon because Amazon wants you personally to own and have physical possession of the products, either at your own warehouse or at an Amazon warehouse.
However, the model (FBA: Fulfilled By Amazon) that Champion Ecom offers for $45,000 IS allowed because you actually own the products and they are stored at Amazon warehouses.
Just because the FBA model (used by most Amazon sellers) is legit, doesn't mean that it will be profitable however.
And charging a $45,000 start-up fee (not including any inventory) just makes profit even less likely as explained by the https://expertuniversity.com/amazon/amazon-automation/ article.