However, reselling phones is usually against the ToS of pretty much every retailer. This isn't unique to Google. Here are our ToS - https://store.google.com/intl/en-US_us/about/device-terms.ht....
> You may only purchase Devices for your personal use. You may not commercially resell any Device, but you may give the Device as a gift. Recipients of gifts may need to open and maintain a Google Payments account in order to receive any support offered by Google. These Terms apply to any gift recipient.
I'd like to see you walk into an Apple store, and buy 10 iPhones. Or say, 100?
In fact - Apple even introduced controls to stop scalping of Genius Bar appointments:
http://www.idownloadblog.com/2013/09/12/apple-store-genius-b....
Or say you create 100 email accounts - john001@gmail.com, john002@gmail.com, john003@gmail.com etc. - and have them each buy a phone, and ship them to a single physical address.
It's certainly possible to see how this would come across as hijacking or botnet fraud.