Web sites often block VPN access for legal or copyright reasons. There is nothing a VPN provider can do to get around these blocks.
Possibly, but do you believe that would be the same issue for the other sites as well ?
If so, then this is an issue that needs to be addressed imo.
Thanks
I imagine Kroger wants to know your true IP address.
I imagine Kroger wants to know your true location to present relevant information for your true location.