I buy something from another region and download it using Amazon's tool. I then buy something from my own region, and the download tool and player can't downloa

I buy something from another region and download it using Amazon's tool. I then buy something from my own region, and the download tool and player can't download it, saying it's now tied to that other region. It takes a phone call to fix. Also, I'm constrained by the encoding Amazon gives me.