Well, you're saving the 15-20 minute drive each way (assuming they're not on your way already) and the hassle of talking to someone online.
Remember, AMZN is entering the health insurance space as well, so that vertical integration can remove the "is this covered?" question that some with substandard insurance may have.
And with regards to supply chain issues, there's no reason for Amazon to open up their pharmacy service to third party sellers. Yes, they'll get a larger selection faster, but isn't that what this acquisition is for?
Remember, AMZN is entering the health insurance space as well, so that vertical integration can remove the "is this covered?" question that some with substandard insurance may have.
And with regards to supply chain issues, there's no reason for Amazon to open up their pharmacy service to third party sellers. Yes, they'll get a larger selection faster, but isn't that what this acquisition is for?