Amazon (the retail business not AWS) does seem to have a pretty big moat. For starters they have delivery down. In major cities you can get stuff delivered in

Amazon (the retail business not AWS) does seem to have a pretty big moat. For starters they have delivery down. In major cities you can get stuff delivered in hours. That is crazy and hard to replicate. They have a huge inventory/marketplace. Basically any product is available. That is very difficult to replicate.