STEPS:
1.) Login to the Gmail.
2.) Go Here: store.google.com/?hl=en-US
3.) Scroll down to “Get news, offers…” or wait until the $10 window pops up.
4.) Click Sign Up
Use different Gmail accounts, you can get a lot of Chromecast’s for really cheap which is $10-$15+ profit per order
Scroll to the bottom and change the language to US English for non-US residents